Upstream version 9.37.197.0
[platform/framework/web/crosswalk.git] / src / content / public / android / java / src / org / chromium / content / browser / ContentViewCore.java
index 39ab380..1e80d5f 100644 (file)
@@ -10,6 +10,7 @@ import android.app.SearchManager;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.FeatureInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.ContentObserver;
@@ -48,6 +49,7 @@ import android.widget.FrameLayout;
 
 import com.google.common.annotations.VisibleForTesting;
 
+import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.CalledByNative;
 import org.chromium.base.CommandLine;
 import org.chromium.base.JNINamespace;
@@ -59,12 +61,15 @@ import org.chromium.content.browser.ScreenOrientationListener.ScreenOrientationO
 import org.chromium.content.browser.accessibility.AccessibilityInjector;
 import org.chromium.content.browser.accessibility.BrowserAccessibilityManager;
 import org.chromium.content.browser.input.AdapterInputConnection;
+import org.chromium.content.browser.input.GamepadList;
 import org.chromium.content.browser.input.HandleView;
 import org.chromium.content.browser.input.ImeAdapter;
 import org.chromium.content.browser.input.ImeAdapter.AdapterInputConnectionFactory;
 import org.chromium.content.browser.input.InputMethodManagerWrapper;
 import org.chromium.content.browser.input.InsertionHandleController;
+import org.chromium.content.browser.input.SelectPopup;
 import org.chromium.content.browser.input.SelectPopupDialog;
+import org.chromium.content.browser.input.SelectPopupDropdown;
 import org.chromium.content.browser.input.SelectPopupItem;
 import org.chromium.content.browser.input.SelectionHandleController;
 import org.chromium.content.common.ContentSwitches;
@@ -105,6 +110,15 @@ public class ContentViewCore
     // Length of the delay (in ms) before fading in handles after the last page movement.
     private static final int TEXT_HANDLE_FADE_IN_DELAY = 300;
 
+    // These values are obtained from Samsung.
+    // TODO(changwan): refactor SPen related code into a separate class. See
+    // http://crbug.com/398169.
+    private static final int SPEN_ACTION_DOWN = 211;
+    private static final int SPEN_ACTION_UP = 212;
+    private static final int SPEN_ACTION_MOVE = 213;
+    private static final int SPEN_ACTION_CANCEL = 214;
+    private static Boolean sIsSPenSupported;
+
     // If the embedder adds a JavaScript interface object that contains an indirect reference to
     // the ContentViewCore, then storing a strong ref to the interface object on the native
     // side would prevent garbage collection of the ContentViewCore (as that strong ref would
@@ -206,99 +220,7 @@ public class ContentViewCore
      * extractSmartClipData are available.
      */
     public interface SmartClipDataListener {
-        public void onSmartClipDataExtracted(String result);
-    }
-
-    private VSyncManager.Provider mVSyncProvider;
-    private VSyncManager.Listener mVSyncListener;
-    private int mVSyncSubscriberCount;
-    private boolean mVSyncListenerRegistered;
-
-    // To avoid IPC delay we use input events to directly trigger a vsync signal in the renderer.
-    // When we do this, we also need to avoid sending the real vsync signal for the current
-    // frame to avoid double-ticking. This flag is used to inhibit the next vsync notification.
-    private boolean mDidSignalVSyncUsingInputEvent;
-
-    public VSyncManager.Listener getVSyncListener(VSyncManager.Provider vsyncProvider) {
-        if (mVSyncProvider != null && mVSyncListenerRegistered) {
-            mVSyncProvider.unregisterVSyncListener(mVSyncListener);
-            mVSyncListenerRegistered = false;
-        }
-
-        mVSyncProvider = vsyncProvider;
-        mVSyncListener = new VSyncManager.Listener() {
-            @Override
-            public void updateVSync(long tickTimeMicros, long intervalMicros) {
-                if (mNativeContentViewCore != 0) {
-                    nativeUpdateVSyncParameters(mNativeContentViewCore, tickTimeMicros,
-                            intervalMicros);
-                }
-            }
-
-            @Override
-            public void onVSync(long frameTimeMicros) {
-                animateIfNecessary(frameTimeMicros);
-
-                if (mRequestedVSyncForInput) {
-                    mRequestedVSyncForInput = false;
-                    removeVSyncSubscriber();
-                }
-                if (mNativeContentViewCore != 0) {
-                    nativeOnVSync(mNativeContentViewCore, frameTimeMicros);
-                }
-            }
-        };
-
-        if (mVSyncSubscriberCount > 0) {
-            // addVSyncSubscriber() is called before getVSyncListener.
-            vsyncProvider.registerVSyncListener(mVSyncListener);
-            mVSyncListenerRegistered = true;
-        }
-
-        return mVSyncListener;
-    }
-
-    @CalledByNative
-    void addVSyncSubscriber() {
-        if (!isVSyncNotificationEnabled()) {
-            mDidSignalVSyncUsingInputEvent = false;
-        }
-        if (mVSyncProvider != null && !mVSyncListenerRegistered) {
-            mVSyncProvider.registerVSyncListener(mVSyncListener);
-            mVSyncListenerRegistered = true;
-        }
-        mVSyncSubscriberCount++;
-    }
-
-    @CalledByNative
-    void removeVSyncSubscriber() {
-        if (mVSyncProvider != null && mVSyncSubscriberCount == 1) {
-            assert mVSyncListenerRegistered;
-            mVSyncProvider.unregisterVSyncListener(mVSyncListener);
-            mVSyncListenerRegistered = false;
-        }
-        mVSyncSubscriberCount--;
-        assert mVSyncSubscriberCount >= 0;
-    }
-
-    @CalledByNative
-    private void resetVSyncNotification() {
-        while (isVSyncNotificationEnabled()) removeVSyncSubscriber();
-        mVSyncSubscriberCount = 0;
-        mVSyncListenerRegistered = false;
-        mNeedAnimate = false;
-    }
-
-    private boolean isVSyncNotificationEnabled() {
-        return mVSyncProvider != null && mVSyncListenerRegistered;
-    }
-
-    @CalledByNative
-    private void setNeedsAnimate() {
-        if (!mNeedAnimate) {
-            mNeedAnimate = true;
-            addVSyncSubscriber();
-        }
+        public void onSmartClipDataExtracted(String text, String html, Rect clipRect);
     }
 
     private final Context mContext;
@@ -314,14 +236,12 @@ public class ContentViewCore
     // Native pointer to C++ ContentViewCoreImpl object which will be set by nativeInit().
     private long mNativeContentViewCore = 0;
 
-    private boolean mInForeground = false;
-
     private final ObserverList<GestureStateListener> mGestureStateListeners;
     private final RewindableIterator<GestureStateListener> mGestureStateListenersIterator;
     private ZoomControlsDelegate mZoomControlsDelegate;
 
     private PopupZoomer mPopupZoomer;
-    private SelectPopupDialog mSelectPopupDialog;
+    private SelectPopup mSelectPopup;
 
     private Runnable mFakeMouseMoveRunnable = null;
 
@@ -347,8 +267,6 @@ public class ContentViewCore
     private int mOverdrawBottomHeightPix;
     private int mViewportSizeOffsetWidthPix;
     private int mViewportSizeOffsetHeightPix;
-    private int mLocationInWindowX;
-    private int mLocationInWindowY;
 
     // Cached copy of all positions and scales as reported by the renderer.
     private final RenderCoordinates mRenderCoordinates;
@@ -393,22 +311,9 @@ public class ContentViewCore
     // because the OSK was just brought up.
     private final Rect mFocusPreOSKViewportRect = new Rect();
 
-    // Whether we received a new frame since consumePendingRendererFrame() was last called.
-    private boolean mPendingRendererFrame = false;
-
-    // Whether we should animate at the next vsync tick.
-    private boolean mNeedAnimate = false;
-
-    // Whether we requested a proactive vsync event in response to touch input.
-    // This reduces the latency of responding to input by ensuring the renderer
-    // is sent a BeginFrame for every touch event we receive. Otherwise the
-    // renderer's SetNeedsBeginFrame message would get serviced at the next
-    // vsync.
-    private boolean mRequestedVSyncForInput = false;
-
-    // On single tap this will store the x, y coordinates of the touch.
-    private int mSingleTapX;
-    private int mSingleTapY;
+    // On tap this will store the x, y coordinates of the touch.
+    private int mLastTapX;
+    private int mLastTapY;
 
     // Whether a touch scroll sequence is active, used to hide text selection
     // handles. Note that a scroll sequence will *always* bound a pinch
@@ -427,7 +332,7 @@ public class ContentViewCore
     // a focused element.
     // Every time the user, IME, javascript (Blink), autofill etc. modifies the content, the new
     //  state must be reflected to this to keep consistency.
-    private Editable mEditable;
+    private final Editable mEditable;
 
     /**
      * PID used to indicate an invalid render process.
@@ -436,6 +341,14 @@ public class ContentViewCore
     // if there is no render process.
     public static final int INVALID_RENDER_PROCESS_PID = 0;
 
+    // Offsets for the events that passes through this ContentViewCore.
+    private float mCurrentTouchOffsetX;
+    private float mCurrentTouchOffsetY;
+
+    // Offsets for smart clip
+    private int mSmartClipOffsetX;
+    private int mSmartClipOffsetY;
+
     /**
      * Constructs a new ContentViewCore. Embedders must call initialize() after constructing
      * a ContentViewCore and before using it.
@@ -519,10 +432,14 @@ public class ContentViewCore
     @VisibleForTesting
     public ViewAndroidDelegate getViewAndroidDelegate() {
         return new ViewAndroidDelegate() {
+            // mContainerView can change, but this ViewAndroidDelegate can only be used to
+            // add and remove views from the mContainerViewAtCreation.
+            private final ViewGroup mContainerViewAtCreation = mContainerView;
+
             @Override
             public View acquireAnchorView() {
-                View anchorView = new View(getContext());
-                mContainerView.addView(anchorView);
+                View anchorView = new View(mContext);
+                mContainerViewAtCreation.addView(anchorView);
                 return anchorView;
             }
 
@@ -530,28 +447,35 @@ public class ContentViewCore
             @SuppressWarnings("deprecation")  // AbsoluteLayout
             public void setAnchorViewPosition(
                     View view, float x, float y, float width, float height) {
-                assert view.getParent() == mContainerView;
+                assert view.getParent() == mContainerViewAtCreation;
 
-                float scale = (float) DeviceDisplayInfo.create(getContext()).getDIPScale();
+                float scale = (float) DeviceDisplayInfo.create(mContext).getDIPScale();
 
                 // The anchor view should not go outside the bounds of the ContainerView.
                 int leftMargin = Math.round(x * scale);
                 int topMargin = Math.round(mRenderCoordinates.getContentOffsetYPix() + y * scale);
                 int scaledWidth = Math.round(width * scale);
                 // ContentViewCore currently only supports these two container view types.
-                if (mContainerView instanceof FrameLayout) {
-                    if (scaledWidth + leftMargin > mContainerView.getWidth()) {
-                        scaledWidth = mContainerView.getWidth() - leftMargin;
+                if (mContainerViewAtCreation instanceof FrameLayout) {
+                    int startMargin;
+                    if (ApiCompatibilityUtils.isLayoutRtl(mContainerViewAtCreation)) {
+                        startMargin = mContainerViewAtCreation.getMeasuredWidth()
+                                - Math.round((width + x) * scale);
+                    } else {
+                        startMargin = leftMargin;
+                    }
+                    if (scaledWidth + startMargin > mContainerViewAtCreation.getWidth()) {
+                        scaledWidth = mContainerViewAtCreation.getWidth() - startMargin;
                     }
                     FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
                         scaledWidth, Math.round(height * scale));
-                    lp.leftMargin = leftMargin;
+                    ApiCompatibilityUtils.setMarginStart(lp, startMargin);
                     lp.topMargin = topMargin;
                     view.setLayoutParams(lp);
-                } else if (mContainerView instanceof android.widget.AbsoluteLayout) {
+                } else if (mContainerViewAtCreation instanceof android.widget.AbsoluteLayout) {
                     // This fixes the offset due to a difference in
                     // scrolling model of WebView vs. Chrome.
-                    // TODO(sgurun) fix this to use mContainerView.getScroll[X/Y]()
+                    // TODO(sgurun) fix this to use mContainerViewAtCreation.getScroll[X/Y]()
                     // as it naturally accounts for scroll differences between
                     // these models.
                     leftMargin += mRenderCoordinates.getScrollXPixInt();
@@ -562,13 +486,13 @@ public class ContentViewCore
                                 scaledWidth, (int) (height * scale), leftMargin, topMargin);
                     view.setLayoutParams(lp);
                 } else {
-                    Log.e(TAG, "Unknown layout " + mContainerView.getClass().getName());
+                    Log.e(TAG, "Unknown layout " + mContainerViewAtCreation.getClass().getName());
                 }
             }
 
             @Override
             public void releaseAnchorView(View anchorView) {
-                mContainerView.removeView(anchorView);
+                mContainerViewAtCreation.removeView(anchorView);
             }
         };
     }
@@ -598,11 +522,6 @@ public class ContentViewCore
         return mInputConnection;
     }
 
-    @VisibleForTesting
-    public void setContainerViewForTest(ViewGroup view) {
-        mContainerView = view;
-    }
-
     private ImeAdapter createImeAdapter(Context context) {
         return new ImeAdapter(mInputMethodManagerWrapper,
                 new ImeAdapter.ImeAdapterDelegate() {
@@ -615,11 +534,6 @@ public class ContentViewCore
                     }
 
                     @Override
-                    public void onSetFieldValue() {
-                        scrollFocusedEditableNodeIntoView();
-                    }
-
-                    @Override
                     public void onDismissInput() {
                         getContentViewClient().onImeStateChangeRequested(false);
                     }
@@ -645,7 +559,7 @@ public class ContentViewCore
                                     // always be called, crbug.com/294908.
                                     getContainerView().getWindowVisibleDisplayFrame(
                                             mFocusPreOSKViewportRect);
-                                } else if (resultCode ==
+                                } else if (hasFocus() && resultCode ==
                                         InputMethodManager.RESULT_UNCHANGED_SHOWN) {
                                     // If the OSK was already there, focus the form immediately.
                                     scrollFocusedEditableNodeIntoView();
@@ -676,8 +590,8 @@ public class ContentViewCore
     // deleting it after destroying the ContentViewCore.
     public void initialize(ViewGroup containerView, InternalAccessDelegate internalDispatcher,
             long nativeWebContents, WindowAndroid windowAndroid) {
-        mContainerView = containerView;
-        mPositionObserver = new ViewPositionObserver(mContainerView);
+        setContainerView(containerView);
+
         mPositionListener = new PositionObserver.Listener() {
             @Override
             public void onPositionChanged(int x, int y) {
@@ -705,13 +619,67 @@ public class ContentViewCore
         };
 
         mNativeContentViewCore = nativeInit(
-                nativeWebContents, viewAndroidNativePointer, windowNativePointer);
+                nativeWebContents, viewAndroidNativePointer, windowNativePointer,
+                mRetainedJavaScriptObjects);
         mWebContents = nativeGetWebContentsAndroid(mNativeContentViewCore);
         mContentSettings = new ContentSettings(this, mNativeContentViewCore);
-        initializeContainerView(internalDispatcher);
+
+        setContainerViewInternals(internalDispatcher);
+        mRenderCoordinates.reset();
+        initPopupZoomer(mContext);
+        mImeAdapter = createImeAdapter(mContext);
 
         mAccessibilityInjector = AccessibilityInjector.newInstance(this);
 
+        mWebContentsObserver = new WebContentsObserverAndroid(this) {
+            @Override
+            public void didNavigateMainFrame(String url, String baseUrl,
+                    boolean isNavigationToDifferentPage, boolean isFragmentNavigation) {
+                if (!isNavigationToDifferentPage) return;
+                hidePopups();
+                resetScrollInProgress();
+                resetGestureDetection();
+            }
+
+            @Override
+            public void renderProcessGone(boolean wasOomProtected) {
+                hidePopups();
+                resetScrollInProgress();
+                // No need to reset gesture detection as the detector will have
+                // been destroyed in the RenderWidgetHostView.
+            }
+        };
+    }
+
+    /**
+     * Sets a new container view for this {@link ContentViewCore}.
+     *
+     * <p>WARNING: This is not a general purpose method and has been designed with WebView
+     * fullscreen in mind. Please be aware that it might not be appropriate for other use cases
+     * and that it has a number of limitations. For example the PopupZoomer only works with the
+     * container view with which this ContentViewCore has been initialized.
+     *
+     * <p>This method only performs a small part of replacing the container view and
+     * embedders are responsible for:
+     * <ul>
+     *     <li>Disconnecting the old container view from this ContentViewCore</li>
+     *     <li>Updating the InternalAccessDelegate</li>
+     *     <li>Reconciling the state of this ContentViewCore with the new container view</li>
+     *     <li>Tearing down and recreating the native GL rendering where appropriate</li>
+     *     <li>etc.</li>
+     * </ul>
+     */
+    public void setContainerView(ViewGroup containerView) {
+        TraceEvent.begin();
+        if (mContainerView != null) {
+            mPositionObserver.removeListener(mPositionListener);
+            mSelectionHandleController = null;
+            mInsertionHandleController = null;
+            mInputConnection = null;
+        }
+
+        mContainerView = containerView;
+        mPositionObserver = new ViewPositionObserver(mContainerView);
         String contentDescription = "Web View";
         if (R.string.accessibility_content_view == 0) {
             Log.w(TAG, "Setting contentDescription to 'Web View' as no value was specified.");
@@ -720,14 +688,9 @@ public class ContentViewCore
                     R.string.accessibility_content_view);
         }
         mContainerView.setContentDescription(contentDescription);
-        mWebContentsObserver = new WebContentsObserverAndroid(this) {
-            @Override
-            public void didStartLoading(String url) {
-                hidePopupDialog();
-                resetScrollInProgress();
-                resetGestureDetectors();
-            }
-        };
+        mContainerView.setWillNotDraw(false);
+        mContainerView.setClickable(true);
+        TraceEvent.end();
     }
 
     @CalledByNative
@@ -745,37 +708,20 @@ public class ContentViewCore
         mContainerViewInternals = internalDispatcher;
     }
 
-    /**
-     * Initializes the View that will contain all Views created by the ContentViewCore.
-     *
-     * @param internalDispatcher Handles dispatching all hidden or super methods to the
-     *                           containerView.
-     */
-    private void initializeContainerView(InternalAccessDelegate internalDispatcher) {
-        TraceEvent.begin();
-        mContainerViewInternals = internalDispatcher;
-
-        mContainerView.setWillNotDraw(false);
-        mContainerView.setClickable(true);
-
-        mRenderCoordinates.reset();
-        onRenderCoordinatesUpdated();
-
-        initPopupZoomer(mContext);
-        mImeAdapter = createImeAdapter(mContext);
-        TraceEvent.end();
-    }
-
     private void initPopupZoomer(Context context) {
         mPopupZoomer = new PopupZoomer(context);
         mPopupZoomer.setOnVisibilityChangedListener(new PopupZoomer.OnVisibilityChangedListener() {
+            // mContainerView can change, but this OnVisibilityChangedListener can only be used
+            // to add and remove views from the mContainerViewAtCreation.
+            private final ViewGroup mContainerViewAtCreation = mContainerView;
+
             @Override
             public void onPopupZoomerShown(final PopupZoomer zoomer) {
-                mContainerView.post(new Runnable() {
+                mContainerViewAtCreation.post(new Runnable() {
                     @Override
                     public void run() {
-                        if (mContainerView.indexOfChild(zoomer) == -1) {
-                            mContainerView.addView(zoomer);
+                        if (mContainerViewAtCreation.indexOfChild(zoomer) == -1) {
+                            mContainerViewAtCreation.addView(zoomer);
                         } else {
                             assert false : "PopupZoomer should never be shown without being hidden";
                         }
@@ -785,12 +731,12 @@ public class ContentViewCore
 
             @Override
             public void onPopupZoomerHidden(final PopupZoomer zoomer) {
-                mContainerView.post(new Runnable() {
+                mContainerViewAtCreation.post(new Runnable() {
                     @Override
                     public void run() {
-                        if (mContainerView.indexOfChild(zoomer) != -1) {
-                            mContainerView.removeView(zoomer);
-                            mContainerView.invalidate();
+                        if (mContainerViewAtCreation.indexOfChild(zoomer) != -1) {
+                            mContainerViewAtCreation.removeView(zoomer);
+                            mContainerViewAtCreation.invalidate();
                         } else {
                             assert false : "PopupZoomer should never be hidden without being shown";
                         }
@@ -801,9 +747,13 @@ public class ContentViewCore
         // TODO(yongsheng): LONG_TAP is not enabled in PopupZoomer. So need to dispatch a LONG_TAP
         // gesture if a user completes a tap on PopupZoomer UI after a LONG_PRESS gesture.
         PopupZoomer.OnTapListener listener = new PopupZoomer.OnTapListener() {
+            // mContainerView can change, but this OnTapListener can only be used
+            // with the mContainerViewAtCreation.
+            private final ViewGroup mContainerViewAtCreation = mContainerView;
+
             @Override
             public boolean onSingleTap(View v, MotionEvent e) {
-                mContainerView.requestFocus();
+                mContainerViewAtCreation.requestFocus();
                 if (mNativeContentViewCore != 0) {
                     nativeSingleTap(mNativeContentViewCore, e.getEventTime(), e.getX(), e.getY());
                 }
@@ -832,8 +782,6 @@ public class ContentViewCore
             nativeOnJavaContentViewCoreDestroyed(mNativeContentViewCore);
         }
         mWebContents = null;
-        resetVSyncNotification();
-        mVSyncProvider = null;
         if (mViewAndroid != null) mViewAndroid.destroy();
         mNativeContentViewCore = 0;
         mContentSettings = null;
@@ -877,7 +825,8 @@ public class ContentViewCore
         mContentViewClient = client;
     }
 
-    ContentViewClient getContentViewClient() {
+    @VisibleForTesting
+    public ContentViewClient getContentViewClient() {
         if (mContentViewClient == null) {
             // We use the Null Object pattern to avoid having to perform a null check in this class.
             // We create it lazily because most of the time a client will be set almost immediately
@@ -916,19 +865,22 @@ public class ContentViewCore
                 params.mUrl,
                 params.mLoadUrlType,
                 params.mTransitionType,
+                params.getReferrer() != null ? params.getReferrer().getUrl() : null,
+                params.getReferrer() != null ? params.getReferrer().getPolicy() : 0,
                 params.mUaOverrideOption,
                 params.getExtraHeadersString(),
                 params.mPostData,
                 params.mBaseUrlForDataUrl,
                 params.mVirtualUrlForDataUrl,
-                params.mCanLoadLocalResources);
+                params.mCanLoadLocalResources,
+                params.mIsRendererInitiated);
     }
 
     /**
      * Stops loading the current web contents.
      */
     public void stopLoading() {
-        if (mNativeContentViewCore != 0) nativeStopLoading(mNativeContentViewCore);
+        if (mWebContents != null) mWebContents.stop();
     }
 
     /**
@@ -947,8 +899,7 @@ public class ContentViewCore
      * @return The title of the current page.
      */
     public String getTitle() {
-        if (mNativeContentViewCore != 0) return nativeGetTitle(mNativeContentViewCore);
-        return null;
+        return mWebContents == null ? null : mWebContents.getTitle();
     }
 
     /**
@@ -973,17 +924,6 @@ public class ContentViewCore
     }
 
     /**
-     * Mark any new frames that have arrived since this function was last called as non-pending.
-     *
-     * @return Whether there was a pending frame from the renderer.
-     */
-    public boolean consumePendingRendererFrame() {
-        boolean hadPendingFrame = mPendingRendererFrame;
-        mPendingRendererFrame = false;
-        return hadPendingFrame;
-    }
-
-    /**
      * @return Viewport width in physical pixels as set from onSizeChanged.
      */
     @CalledByNative
@@ -1167,45 +1107,111 @@ public class ContentViewCore
     // End FrameLayout overrides.
 
     /**
+     * TODO(changwan): refactor SPen related code into a separate class. See
+     * http://crbug.com/398169.
+     * @return Whether SPen is supported on the device.
+     */
+    public static boolean isSPenSupported(Context context) {
+        if (sIsSPenSupported == null)
+            sIsSPenSupported = detectSPenSupport(context);
+        return sIsSPenSupported.booleanValue();
+    }
+
+    private static boolean detectSPenSupport(Context context) {
+        if (!"SAMSUNG".equalsIgnoreCase(Build.MANUFACTURER))
+            return false;
+
+        final FeatureInfo[] infos = context.getPackageManager().getSystemAvailableFeatures();
+        for (FeatureInfo info : infos) {
+            if ("com.sec.feature.spen_usp".equalsIgnoreCase(info.name)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Convert SPen event action into normal event action.
+     * TODO(changwan): refactor SPen related code into a separate class. See
+     * http://crbug.com/398169.
+     *
+     * @param eventActionMasked Input event action. It is assumed that it is masked as the values
+                                cannot be ORed.
+     * @return Event action after the conversion
+     */
+    public static int convertSPenEventAction(int eventActionMasked) {
+        // S-Pen support: convert to normal stylus event handling
+        switch (eventActionMasked) {
+            case SPEN_ACTION_DOWN:
+                return MotionEvent.ACTION_DOWN;
+            case SPEN_ACTION_UP:
+                return MotionEvent.ACTION_UP;
+            case SPEN_ACTION_MOVE:
+                return MotionEvent.ACTION_MOVE;
+            case SPEN_ACTION_CANCEL:
+                return MotionEvent.ACTION_CANCEL;
+            default:
+                return eventActionMasked;
+        }
+    }
+
+    /**
      * @see View#onTouchEvent(MotionEvent)
      */
     public boolean onTouchEvent(MotionEvent event) {
-        cancelRequestToScrollFocusedEditableNodeIntoView();
+        TraceEvent.begin("onTouchEvent");
+        try {
+            cancelRequestToScrollFocusedEditableNodeIntoView();
+
+            int eventAction = event.getActionMasked();
+
+            if (isSPenSupported(mContext))
+                eventAction = convertSPenEventAction(eventAction);
+
+            // Only these actions have any effect on gesture detection.  Other
+            // actions have no corresponding WebTouchEvent type and may confuse the
+            // touch pipline, so we ignore them entirely.
+            if (eventAction != MotionEvent.ACTION_DOWN
+                    && eventAction != MotionEvent.ACTION_UP
+                    && eventAction != MotionEvent.ACTION_CANCEL
+                    && eventAction != MotionEvent.ACTION_MOVE
+                    && eventAction != MotionEvent.ACTION_POINTER_DOWN
+                    && eventAction != MotionEvent.ACTION_POINTER_UP) {
+                return false;
+            }
 
-        if (!mRequestedVSyncForInput) {
-            mRequestedVSyncForInput = true;
-            addVSyncSubscriber();
-        }
+            if (mNativeContentViewCore == 0) return false;
 
-        final int eventAction = event.getActionMasked();
+            // A zero offset is quite common, in which case the unnecessary copy should be avoided.
+            MotionEvent offset = null;
+            if (mCurrentTouchOffsetX != 0 || mCurrentTouchOffsetY != 0) {
+                offset = createOffsetMotionEvent(event);
+                event = offset;
+            }
 
-        // Only these actions have any effect on gesture detection.  Other
-        // actions have no corresponding WebTouchEvent type and may confuse the
-        // touch pipline, so we ignore them entirely.
-        if (eventAction != MotionEvent.ACTION_DOWN
-                && eventAction != MotionEvent.ACTION_UP
-                && eventAction != MotionEvent.ACTION_CANCEL
-                && eventAction != MotionEvent.ACTION_MOVE
-                && eventAction != MotionEvent.ACTION_POINTER_DOWN
-                && eventAction != MotionEvent.ACTION_POINTER_UP) {
-            return false;
+            final int pointerCount = event.getPointerCount();
+            final boolean consumed = nativeOnTouchEvent(mNativeContentViewCore, event,
+                    event.getEventTime(), eventAction,
+                    pointerCount, event.getHistorySize(), event.getActionIndex(),
+                    event.getX(), event.getY(),
+                    pointerCount > 1 ? event.getX(1) : 0,
+                    pointerCount > 1 ? event.getY(1) : 0,
+                    event.getPointerId(0), pointerCount > 1 ? event.getPointerId(1) : -1,
+                    event.getTouchMajor(), pointerCount > 1 ? event.getTouchMajor(1) : 0,
+                    event.getRawX(), event.getRawY(),
+                    event.getToolType(0),
+                    pointerCount > 1 ? event.getToolType(1) : MotionEvent.TOOL_TYPE_UNKNOWN,
+                    event.getButtonState());
+
+            if (offset != null) offset.recycle();
+            return consumed;
+        } finally {
+            TraceEvent.end("onTouchEvent");
         }
-
-        if (mNativeContentViewCore == 0) return false;
-        final int pointerCount = event.getPointerCount();
-        return nativeOnTouchEvent(mNativeContentViewCore, event,
-                event.getEventTime(), eventAction,
-                pointerCount, event.getHistorySize(), event.getActionIndex(),
-                event.getX(), event.getY(),
-                pointerCount > 1 ? event.getX(1) : 0,
-                pointerCount > 1 ? event.getY(1) : 0,
-                event.getPointerId(0), pointerCount > 1 ? event.getPointerId(1) : -1,
-                event.getTouchMajor(), pointerCount > 1 ? event.getTouchMajor(1) : 0);
     }
 
     public void setIgnoreRemainingTouchEvents() {
-        if (mNativeContentViewCore == 0) return;
-        nativeIgnoreRemainingTouchEvents(mNativeContentViewCore);
+        resetGestureDetection();
     }
 
     public boolean isScrollInProgress() {
@@ -1283,6 +1289,15 @@ public class ContentViewCore
 
     @SuppressWarnings("unused")
     @CalledByNative
+    private void onSingleTapEventAck(boolean consumed, int x, int y) {
+        for (mGestureStateListenersIterator.rewind();
+                mGestureStateListenersIterator.hasNext();) {
+            mGestureStateListenersIterator.next().onSingleTap(consumed, x, y);
+        }
+    }
+
+    @SuppressWarnings("unused")
+    @CalledByNative
     private void onDoubleTapEventAck() {
         temporarilyHideTextHandles();
     }
@@ -1315,6 +1330,15 @@ public class ContentViewCore
     }
 
     /**
+     * Cancel any fling gestures active.
+     * @param timeMs Current time (in milliseconds).
+     */
+    public void cancelFling(long timeMs) {
+        if (mNativeContentViewCore == 0) return;
+        nativeFlingCancel(mNativeContentViewCore, timeMs);
+    }
+
+    /**
      * Add a listener that gets alerted on gesture state changes.
      * @param listener Listener to add.
      */
@@ -1365,6 +1389,14 @@ public class ContentViewCore
         }
     }
 
+    /**
+     * Requests the renderer insert a link to the specified stylesheet in the
+     * main frame's document.
+     */
+    void addStyleSheetByURL(String url) {
+        nativeAddStyleSheetByURL(mNativeContentViewCore, url);
+    }
+
     /** Callback interface for evaluateJavaScript(). */
     public interface JavaScriptCallback {
         void handleJavaScriptResult(String jsonResult);
@@ -1402,11 +1434,6 @@ public class ContentViewCore
      */
     public void onShow() {
         assert mNativeContentViewCore != 0;
-        if (!mInForeground) {
-            ChildProcessLauncher.getBindingManager().setInForeground(getCurrentRenderProcessId(),
-                    true);
-        }
-        mInForeground = true;
         nativeOnShow(mNativeContentViewCore);
         setAccessibilityState(mAccessibilityManager.isEnabled());
     }
@@ -1424,12 +1451,7 @@ public class ContentViewCore
      */
     public void onHide() {
         assert mNativeContentViewCore != 0;
-        if (mInForeground) {
-            ChildProcessLauncher.getBindingManager().setInForeground(getCurrentRenderProcessId(),
-                    false);
-        }
-        mInForeground = false;
-        hidePopupDialog();
+        hidePopups();
         setInjectedAccessibility(false);
         nativeOnHide(mNativeContentViewCore);
     }
@@ -1444,28 +1466,13 @@ public class ContentViewCore
         return mContentSettings;
     }
 
-    private void onRenderCoordinatesUpdated() {
-        if (mNativeContentViewCore == 0) return;
-
-        // We disable double tap zoom for pages that have a width=device-width
-        // or narrower viewport (indicating that this is a mobile-optimized or
-        // responsive web design, so text will be legible without zooming).
-        // We also disable it for pages that disallow the user from zooming in
-        // or out (even if they don't have a device-width or narrower viewport).
-        nativeSetDoubleTapSupportForPageEnabled(mNativeContentViewCore,
-                !mRenderCoordinates.hasMobileViewport() && !mRenderCoordinates.hasFixedPageScale());
-    }
-
-    private void hidePopupDialog() {
-        if (mSelectPopupDialog != null) {
-            mSelectPopupDialog.hide();
-            mSelectPopupDialog = null;
-        }
+    private void hidePopups() {
+        hideSelectPopup();
         hideHandles();
         hideSelectActionBar();
     }
 
-    void hideSelectActionBar() {
+    public void hideSelectActionBar() {
         if (mActionMode != null) {
             mActionMode.finish();
             mActionMode = null;
@@ -1476,9 +1483,9 @@ public class ContentViewCore
         return mActionMode != null;
     }
 
-    private void resetGestureDetectors() {
+    private void resetGestureDetection() {
         if (mNativeContentViewCore == 0) return;
-        nativeResetGestureDetectors(mNativeContentViewCore);
+        nativeResetGestureDetection(mNativeContentViewCore);
     }
 
     /**
@@ -1489,6 +1496,7 @@ public class ContentViewCore
         setAccessibilityState(mAccessibilityManager.isEnabled());
 
         ScreenOrientationListener.getInstance().addObserver(this, mContext);
+        GamepadList.onAttachedToWindow(mContext);
     }
 
     /**
@@ -1498,11 +1506,12 @@ public class ContentViewCore
     @SuppressLint("MissingSuperCall")
     public void onDetachedFromWindow() {
         setInjectedAccessibility(false);
-        hidePopupDialog();
+        hidePopups();
         mZoomControlsDelegate.dismissZoomPicker();
         unregisterAccessibilityContentObserver();
 
         ScreenOrientationListener.getInstance().removeObserver(this);
+        GamepadList.onDetachedFromWindow();
     }
 
     /**
@@ -1554,8 +1563,10 @@ public class ContentViewCore
         TraceEvent.begin();
 
         if (newConfig.keyboard != Configuration.KEYBOARD_NOKEYS) {
-            mImeAdapter.attach(nativeGetNativeImeAdapter(mNativeContentViewCore),
-                    ImeAdapter.getTextInputTypeNone());
+            if (mNativeContentViewCore != 0) {
+                mImeAdapter.attach(nativeGetNativeImeAdapter(mNativeContentViewCore),
+                        ImeAdapter.getTextInputTypeNone());
+            }
             mInputMethodManagerWrapper.restartInput(mContainerView);
         }
         mContainerViewInternals.super_onConfigurationChanged(newConfig);
@@ -1583,15 +1594,6 @@ public class ContentViewCore
     }
 
     /**
-     * Called when the ContentView's position in the activity window changed. This information is
-     * used for cropping screenshots.
-     */
-    public void onLocationInWindowChanged(int x, int y) {
-        mLocationInWindowX = x;
-        mLocationInWindowY = y;
-    }
-
-    /**
      * Called when the underlying surface the compositor draws to changes size.
      * This may be larger than the viewport size.
      */
@@ -1653,18 +1655,25 @@ public class ContentViewCore
     }
 
     /**
+     * Selects the word around the caret, if any.
+     * The caller can check if selection actually occurred by listening to OnSelectionChanged.
+     */
+    public void selectWordAroundCaret() {
+        if (mNativeContentViewCore == 0) return;
+        nativeSelectWordAroundCaret(mNativeContentViewCore);
+    }
+
+    /**
      * @see View#onWindowFocusChanged(boolean)
      */
     public void onWindowFocusChanged(boolean hasWindowFocus) {
-        if (!hasWindowFocus) {
-            if (mNativeContentViewCore == 0) return;
-            nativeOnWindowFocusLost(mNativeContentViewCore);
-        }
+        if (!hasWindowFocus) resetGestureDetection();
     }
 
     public void onFocusChanged(boolean gainFocus) {
         if (!gainFocus) {
             hideImeIfNeeded();
+            cancelRequestToScrollFocusedEditableNodeIntoView();
         }
         if (mNativeContentViewCore != 0) nativeSetFocus(mNativeContentViewCore, gainFocus);
     }
@@ -1696,6 +1705,7 @@ public class ContentViewCore
      * @see View#dispatchKeyEvent(KeyEvent)
      */
     public boolean dispatchKeyEvent(KeyEvent event) {
+        if (GamepadList.dispatchKeyEvent(event)) return true;
         if (getContentViewClient().shouldOverrideKeyEvent(event)) {
             return mContainerViewInternals.super_dispatchKeyEvent(event);
         }
@@ -1713,33 +1723,40 @@ public class ContentViewCore
      */
     public boolean onHoverEvent(MotionEvent event) {
         TraceEvent.begin("onHoverEvent");
+        MotionEvent offset = createOffsetMotionEvent(event);
+        try {
+            if (mBrowserAccessibilityManager != null) {
+                return mBrowserAccessibilityManager.onHoverEvent(offset);
+            }
 
-        if (mBrowserAccessibilityManager != null) {
-            return mBrowserAccessibilityManager.onHoverEvent(event);
-        }
+            // Work around Android bug where the x, y coordinates of a hover exit
+            // event are incorrect when touch exploration is on.
+            if (mTouchExplorationEnabled && offset.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
+                return true;
+            }
 
-        // Work around Android bug where the x, y coordinates of a hover exit
-        // event are incorrect when touch exploration is on.
-        if (mTouchExplorationEnabled && event.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
+            mContainerView.removeCallbacks(mFakeMouseMoveRunnable);
+            if (mNativeContentViewCore != 0) {
+                nativeSendMouseMoveEvent(mNativeContentViewCore, offset.getEventTime(),
+                        offset.getX(), offset.getY());
+            }
             return true;
+        } finally {
+            offset.recycle();
+            TraceEvent.end("onHoverEvent");
         }
-
-        mContainerView.removeCallbacks(mFakeMouseMoveRunnable);
-        if (mNativeContentViewCore != 0) {
-            nativeSendMouseMoveEvent(mNativeContentViewCore, event.getEventTime(),
-                    event.getX(), event.getY());
-        }
-        TraceEvent.end("onHoverEvent");
-        return true;
     }
 
     /**
      * @see View#onGenericMotionEvent(MotionEvent)
      */
     public boolean onGenericMotionEvent(MotionEvent event) {
+        if (GamepadList.onGenericMotionEvent(event)) return true;
         if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
             switch (event.getAction()) {
                 case MotionEvent.ACTION_SCROLL:
+                    if (mNativeContentViewCore == 0) return false;
+
                     nativeSendMouseWheelEvent(mNativeContentViewCore, event.getEventTime(),
                             event.getX(), event.getY(),
                             event.getAxisValue(MotionEvent.AXIS_VSCROLL));
@@ -1752,6 +1769,7 @@ public class ContentViewCore
                         @Override
                         public void run() {
                             onHoverEvent(eventFakeMouseMove);
+                            eventFakeMouseMove.recycle();
                         }
                     };
                     mContainerView.postDelayed(mFakeMouseMoveRunnable, 250);
@@ -1762,6 +1780,23 @@ public class ContentViewCore
     }
 
     /**
+     * Sets the current amount to offset incoming touch events by.  This is used to handle content
+     * moving and not lining up properly with the android input system.
+     * @param dx The X offset in pixels to shift touch events.
+     * @param dy The Y offset in pixels to shift touch events.
+     */
+    public void setCurrentMotionEventOffsets(float dx, float dy) {
+        mCurrentTouchOffsetX = dx;
+        mCurrentTouchOffsetY = dy;
+    }
+
+    private MotionEvent createOffsetMotionEvent(MotionEvent src) {
+        MotionEvent dst = MotionEvent.obtain(src);
+        dst.offsetLocation(mCurrentTouchOffsetX, mCurrentTouchOffsetY);
+        return dst;
+    }
+
+    /**
      * @see View#scrollBy(int, int)
      * Currently the ContentView scrolling happens in the native side. In
      * the Java view system, it is always pinned at (0, 0). scrollBy() and scrollTo()
@@ -1886,33 +1921,30 @@ public class ContentViewCore
 
         if (!mPopupZoomer.isShowing()) mPopupZoomer.setLastTouch(xPix, yPix);
 
+        mLastTapX = (int) xPix;
+        mLastTapY = (int) yPix;
+
         if (type == GestureEventType.LONG_PRESS
                 || type == GestureEventType.LONG_TAP) {
             getInsertionHandleController().allowAutomaticShowing();
             getSelectionHandleController().allowAutomaticShowing();
         } else {
-            setClickXAndY((int) xPix, (int) yPix);
             if (mSelectionEditable) getInsertionHandleController().allowAutomaticShowing();
         }
     }
 
-    private void setClickXAndY(int x, int y) {
-        mSingleTapX = x;
-        mSingleTapY = y;
-    }
-
     /**
-     * @return The x coordinate for the last point that a singleTap gesture was initiated from.
+     * @return The x coordinate for the last point that a tap or press gesture was initiated from.
      */
-    public int getSingleTapX()  {
-        return mSingleTapX;
+    public int getLastTapX()  {
+        return mLastTapX;
     }
 
     /**
-     * @return The y coordinate for the last point that a singleTap gesture was initiated from.
+     * @return The y coordinate for the last point that a tap or press gesture was initiated from.
      */
-    public int getSingleTapY()  {
-        return mSingleTapY;
+    public int getLastTapY()  {
+        return mLastTapY;
     }
 
     public void setZoomControlsDelegate(ZoomControlsDelegate zoomControlsDelegate) {
@@ -1933,7 +1965,7 @@ public class ContentViewCore
         if (mNativeContentViewCore != 0) {
             nativeSelectPopupMenuItems(mNativeContentViewCore, indices);
         }
-        mSelectPopupDialog = null;
+        mSelectPopup = null;
     }
 
     /**
@@ -1976,8 +2008,9 @@ public class ContentViewCore
 
                 @Override
                 public void showHandles(int startDir, int endDir) {
+                    final boolean wasShowing = isShowing();
                     super.showHandles(startDir, endDir);
-                    showSelectActionBar();
+                    if (!wasShowing || mActionMode == null) showSelectActionBar();
                 }
 
             };
@@ -2133,6 +2166,11 @@ public class ContentViewCore
             }
 
             @Override
+            public boolean isSelectionPassword() {
+                return mImeAdapter.isSelectionPassword();
+            }
+
+            @Override
             public boolean isSelectionEditable() {
                 return mSelectionEditable;
             }
@@ -2196,7 +2234,7 @@ public class ContentViewCore
     }
 
     public void clearSslPreferences() {
-        nativeClearSslPreferences(mNativeContentViewCore);
+        if (mNativeContentViewCore != 0) nativeClearSslPreferences(mNativeContentViewCore);
     }
 
     private boolean isSelectionHandleShowing() {
@@ -2333,7 +2371,6 @@ public class ContentViewCore
                 viewportWidth, viewportHeight,
                 pageScaleFactor, minPageScaleFactor, maxPageScaleFactor,
                 contentOffsetYPix);
-        onRenderCoordinatesUpdated();
 
         if (scrollChanged || contentOffsetChanged) {
             for (mGestureStateListenersIterator.rewind();
@@ -2354,7 +2391,6 @@ public class ContentViewCore
         getContentViewClient().onOffsetsForFullscreenChanged(
                 controlsOffsetPix, contentOffsetYPix, overdrawBottomHeightPix);
 
-        mPendingRendererFrame = true;
         if (mBrowserAccessibilityManager != null) {
             mBrowserAccessibilityManager.notifyFrameInfoInitialized();
         }
@@ -2363,18 +2399,20 @@ public class ContentViewCore
     @CalledByNative
     private void updateImeAdapter(long nativeImeAdapterAndroid, int textInputType,
             String text, int selectionStart, int selectionEnd,
-            int compositionStart, int compositionEnd, boolean showImeIfNeeded, boolean requireAck) {
+            int compositionStart, int compositionEnd, boolean showImeIfNeeded,
+            boolean isNonImeChange) {
         TraceEvent.begin();
         mSelectionEditable = (textInputType != ImeAdapter.getTextInputTypeNone());
 
-        if (mActionMode != null) mActionMode.invalidate();
-
-        mImeAdapter.attachAndShowIfNeeded(nativeImeAdapterAndroid, textInputType, showImeIfNeeded);
+        mImeAdapter.updateKeyboardVisibility(
+                nativeImeAdapterAndroid, textInputType, showImeIfNeeded);
 
         if (mInputConnection != null) {
             mInputConnection.updateState(text, selectionStart, selectionEnd, compositionStart,
-                    compositionEnd, requireAck);
+                    compositionEnd, isNonImeChange);
         }
+
+        if (mActionMode != null) mActionMode.invalidate();
         TraceEvent.end();
     }
 
@@ -2393,30 +2431,40 @@ public class ContentViewCore
      */
     @SuppressWarnings("unused")
     @CalledByNative
-    private void showSelectPopup(String[] items, int[] enabled, boolean multiple,
+    private void showSelectPopup(Rect bounds, String[] items, int[] enabled, boolean multiple,
             int[] selectedIndices) {
         if (mContainerView.getParent() == null || mContainerView.getVisibility() != View.VISIBLE) {
             selectPopupMenuItems(null);
             return;
         }
 
-        if (mSelectPopupDialog != null) {
-            mSelectPopupDialog.hide();
-            mSelectPopupDialog = null;
-        }
         assert items.length == enabled.length;
         List<SelectPopupItem> popupItems = new ArrayList<SelectPopupItem>();
         for (int i = 0; i < items.length; i++) {
             popupItems.add(new SelectPopupItem(items[i], enabled[i]));
         }
-        mSelectPopupDialog = SelectPopupDialog.show(this, popupItems, multiple, selectedIndices);
+        hidePopups();
+        if (DeviceUtils.isTablet(mContext) && !multiple) {
+            mSelectPopup = new SelectPopupDropdown(this, popupItems, bounds, selectedIndices);
+        } else {
+            mSelectPopup = new SelectPopupDialog(this, popupItems, multiple, selectedIndices);
+        }
+        mSelectPopup.show();
     }
 
     /**
-     * @return The visible select popup dialog being shown.
+     * Called when the <select> popup needs to be hidden.
      */
-    public SelectPopupDialog getSelectPopupForTest() {
-        return mSelectPopupDialog;
+    @CalledByNative
+    private void hideSelectPopup() {
+        if (mSelectPopup != null) mSelectPopup.hide();
+    }
+
+    /**
+     * @return The visible select popup being shown.
+     */
+    public SelectPopup getSelectPopupForTest() {
+        return mSelectPopup;
     }
 
     @SuppressWarnings("unused")
@@ -2442,6 +2490,12 @@ public class ContentViewCore
 
     @SuppressWarnings("unused")
     @CalledByNative
+    private void showSelectionHandlesAutomatically() {
+        getSelectionHandleController().allowAutomaticShowing();
+    }
+
+    @SuppressWarnings("unused")
+    @CalledByNative
     private void onSelectionBoundsChanged(Rect anchorRectDip, int anchorDir, Rect focusRectDip,
             int focusDir, boolean isAnchorFirst) {
         // All coordinates are in DIP.
@@ -2527,20 +2581,7 @@ public class ContentViewCore
 
     @SuppressWarnings("unused")
     @CalledByNative
-    private void onRenderProcessSwap(int oldPid, int newPid) {
-        if (!mInForeground) {
-            ChildProcessLauncher.getBindingManager().setInForeground(newPid, false);
-        } else if (oldPid != newPid) {
-            ChildProcessLauncher.getBindingManager().setInForeground(oldPid, false);
-            ChildProcessLauncher.getBindingManager().setInForeground(newPid, true);
-        }
-
-        attachImeAdapter();
-    }
-
-    @SuppressWarnings("unused")
-    @CalledByNative
-    private void onWebContentsConnected() {
+    private void onRenderProcessChange() {
         attachImeAdapter();
     }
 
@@ -2731,8 +2772,7 @@ public class ContentViewCore
             Class<? extends Annotation> requiredAnnotation) {
         if (mNativeContentViewCore != 0 && object != null) {
             mJavaScriptInterfaces.put(name, object);
-            nativeAddJavascriptInterface(mNativeContentViewCore, object, name, requiredAnnotation,
-                    mRetainedJavaScriptObjects);
+            nativeAddJavascriptInterface(mNativeContentViewCore, object, name, requiredAnnotation);
         }
     }
 
@@ -3053,42 +3093,36 @@ public class ContentViewCore
     }
 
     @CalledByNative
-    private int getLocationInWindowX() {
-        return mLocationInWindowX;
-    }
-
-    @CalledByNative
-    private int getLocationInWindowY() {
-        return mLocationInWindowY;
-    }
-
-    @CalledByNative
     private static Rect createRect(int x, int y, int right, int bottom) {
         return new Rect(x, y, right, bottom);
     }
 
-    private boolean onAnimate(long frameTimeMicros) {
-        if (mNativeContentViewCore == 0) return false;
-        return nativeOnAnimate(mNativeContentViewCore, frameTimeMicros);
-    }
-
-    private void animateIfNecessary(long frameTimeMicros) {
-        if (mNeedAnimate) {
-            mNeedAnimate = onAnimate(frameTimeMicros);
-            if (!mNeedAnimate) removeVSyncSubscriber();
-        }
-    }
-
     public void extractSmartClipData(int x, int y, int width, int height) {
         if (mNativeContentViewCore != 0) {
+            x += mSmartClipOffsetX;
+            y += mSmartClipOffsetY;
             nativeExtractSmartClipData(mNativeContentViewCore, x, y, width, height);
         }
     }
 
+    /**
+     * Set offsets for smart clip.
+     *
+     * <p>This should be called if there is a viewport change introduced by,
+     * e.g., show and hide of a location bar.
+     *
+     * @param offsetX Offset for X position.
+     * @param offsetY Offset for Y position.
+     */
+    public void setSmartClipOffsets(int offsetX, int offsetY) {
+        mSmartClipOffsetX = offsetX;
+        mSmartClipOffsetY = offsetY;
+    }
+
     @CalledByNative
-    private void onSmartClipDataExtracted(String result) {
+    private void onSmartClipDataExtracted(String text, String html, Rect clipRect) {
         if (mSmartClipDataListener != null ) {
-            mSmartClipDataListener.onSmartClipDataExtracted(result);
+            mSmartClipDataListener.onSmartClipDataExtracted(text, html, clipRect);
         }
     }
 
@@ -3096,6 +3130,12 @@ public class ContentViewCore
         mSmartClipDataListener = listener;
     }
 
+    public void setBackgroundOpaque(boolean opaque) {
+        if (mNativeContentViewCore != 0) {
+            nativeSetBackgroundOpaque(mNativeContentViewCore, opaque);
+        }
+    }
+
     /**
      * Offer a long press gesture to the embedding View, primarily for WebView compatibility.
      *
@@ -3123,7 +3163,7 @@ public class ContentViewCore
     }
 
     private native long nativeInit(long webContentsPtr,
-            long viewAndroidPtr, long windowAndroidPtr);
+            long viewAndroidPtr, long windowAndroidPtr, HashSet<Object> retainedObjectSet);
 
     @CalledByNative
     private ContentVideoViewClient getContentVideoViewClient() {
@@ -3159,17 +3199,18 @@ public class ContentViewCore
             String url,
             int loadUrlType,
             int transitionType,
+            String referrerUrl,
+            int referrerPolicy,
             int uaOverrideOption,
             String extraHeaders,
             byte[] postData,
             String baseUrlForDataUrl,
             String virtualUrlForDataUrl,
-            boolean canLoadLocalResources);
+            boolean canLoadLocalResources,
+            boolean isRendererInitiated);
 
     private native String nativeGetURL(long nativeContentViewCoreImpl);
 
-    private native String nativeGetTitle(long nativeContentViewCoreImpl);
-
     private native void nativeShowInterstitialPage(
             long nativeContentViewCoreImpl, String url, long nativeInterstitialPageDelegateAndroid);
     private native boolean nativeIsShowingInterstitialPage(long nativeContentViewCoreImpl);
@@ -3187,7 +3228,9 @@ public class ContentViewCore
             long timeMs, int action, int pointerCount, int historySize, int actionIndex,
             float x0, float y0, float x1, float y1,
             int pointerId0, int pointerId1,
-            float touchMajor0, float touchMajor1);
+            float touchMajor0, float touchMajor1,
+            float rawX, float rawY,
+            int androidToolType0, int androidToolType1, int androidButtonState);
 
     private native int nativeSendMouseMoveEvent(
             long nativeContentViewCoreImpl, long timeMs, float x, float y);
@@ -3232,14 +3275,7 @@ public class ContentViewCore
 
     private native void nativeMoveCaret(long nativeContentViewCoreImpl, float x, float y);
 
-    private native void nativeResetGestureDetectors(long nativeContentViewCoreImpl);
-
-    private native void nativeIgnoreRemainingTouchEvents(long nativeContentViewCoreImpl);
-
-    private native void nativeOnWindowFocusLost(long nativeContentViewCoreImpl);
-
-    private native void nativeSetDoubleTapSupportForPageEnabled(
-            long nativeContentViewCoreImpl, boolean enabled);
+    private native void nativeResetGestureDetection(long nativeContentViewCoreImpl);
     private native void nativeSetDoubleTapSupportEnabled(
             long nativeContentViewCoreImpl, boolean enabled);
     private native void nativeSetMultiTouchZoomSupportEnabled(
@@ -3248,8 +3284,6 @@ public class ContentViewCore
     private native void nativeLoadIfNecessary(long nativeContentViewCoreImpl);
     private native void nativeRequestRestoreLoad(long nativeContentViewCoreImpl);
 
-    private native void nativeStopLoading(long nativeContentViewCoreImpl);
-
     private native void nativeReload(long nativeContentViewCoreImpl, boolean checkForRepost);
     private native void nativeReloadIgnoringCache(
             long nativeContentViewCoreImpl, boolean checkForRepost);
@@ -3262,8 +3296,13 @@ public class ContentViewCore
 
     private native void nativeScrollFocusedEditableNodeIntoView(long nativeContentViewCoreImpl);
 
+    private native void nativeSelectWordAroundCaret(long nativeContentViewCoreImpl);
+
     private native void nativeClearHistory(long nativeContentViewCoreImpl);
 
+    private native void nativeAddStyleSheetByURL(long nativeContentViewCoreImpl,
+            String stylesheetUrl);
+
     private native void nativeEvaluateJavaScript(long nativeContentViewCoreImpl,
             String script, JavaScriptCallback callback, boolean startRenderer);
 
@@ -3286,7 +3325,7 @@ public class ContentViewCore
             long nativeContentViewCoreImpl, boolean allow);
 
     private native void nativeAddJavascriptInterface(long nativeContentViewCoreImpl, Object object,
-            String name, Class requiredAnnotation, HashSet<Object> retainedObjectSet);
+            String name, Class requiredAnnotation);
 
     private native void nativeRemoveJavascriptInterface(long nativeContentViewCoreImpl,
             String name);
@@ -3297,13 +3336,6 @@ public class ContentViewCore
     private native String nativeGetOriginalUrlForActiveNavigationEntry(
             long nativeContentViewCoreImpl);
 
-    private native void nativeUpdateVSyncParameters(long nativeContentViewCoreImpl,
-            long timebaseMicros, long intervalMicros);
-
-    private native void nativeOnVSync(long nativeContentViewCoreImpl, long frameTimeMicros);
-
-    private native boolean nativeOnAnimate(long nativeContentViewCoreImpl, long frameTimeMicros);
-
     private native void nativeWasResized(long nativeContentViewCoreImpl);
 
     private native boolean nativeIsRenderWidgetHostViewReady(long nativeContentViewCoreImpl);
@@ -3319,4 +3351,5 @@ public class ContentViewCore
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
+    private native void nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
 }