src/chrome/browser/extensions/window_open_apitest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/command_line.h"
   6 #include "base/memory/scoped_vector.h"
   7 #include "base/path_service.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "chrome/browser/extensions/extension_apitest.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/ui/browser.h"
  12 #include "chrome/browser/ui/browser_finder.h"
  13 #include "chrome/browser/ui/browser_iterator.h"
  14 #include "chrome/browser/ui/panels/panel_manager.h"
  15 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  16 #include "chrome/common/chrome_paths.h"
  17 #include "chrome/common/chrome_switches.h"
  18 #include "chrome/test/base/test_switches.h"
  19 #include "chrome/test/base/ui_test_utils.h"
  20 #include "content/public/browser/render_process_host.h"
  21 #include "content/public/browser/web_contents.h"
  22 #include "content/public/common/result_codes.h"
  23 #include "content/public/common/url_constants.h"
  24 #include "content/public/test/browser_test_utils.h"
  25 #include "extensions/browser/extension_host.h"
  26 #include "extensions/browser/extension_system.h"
  27 #include "extensions/browser/process_manager.h"
  28 #include "extensions/common/constants.h"
  29 #include "extensions/common/extension.h"
  30 #include "extensions/common/switches.h"
  31 #include "extensions/test/extension_test_message_listener.h"
  32 #include "extensions/test/result_catcher.h"
  33 #include "net/dns/mock_host_resolver.h"
  34 #include "net/test/embedded_test_server/embedded_test_server.h"
  35 #include "testing/gtest/include/gtest/gtest.h"
  36
  37 #if defined(USE_ASH)
  38 #include "extensions/browser/app_window/app_window_registry.h"
  39 #endif
  40
  41 #if defined(USE_ASH) && defined(OS_CHROMEOS)
  42 // TODO(stevenjb): Figure out the correct behavior for Ash + Win
  43 #define USE_ASH_PANELS
  44 #endif
  45
  46 using content::OpenURLParams;
  47 using content::Referrer;
  48 using content::WebContents;
  49
  50 // Disabled, http://crbug.com/64899.
  51 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DISABLED_WindowOpen) {
  52   CommandLine::ForCurrentProcess()->AppendSwitch(
  53       extensions::switches::kEnableExperimentalExtensionApis);
  54
  55   extensions::ResultCatcher catcher;
  56   ASSERT_TRUE(LoadExtensionIncognito(test_data_dir_
  57       .AppendASCII("window_open").AppendASCII("spanning")));
  58   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
  59 }
  60
  61 int GetPanelCount(Browser* browser) {
  62 #if defined(USE_ASH_PANELS)
  63   return static_cast<int>(extensions::AppWindowRegistry::Get(
  64       browser->profile())->app_windows().size());
  65 #else
  66   return PanelManager::GetInstance()->num_panels();
  67 #endif
  68 }
  69
  70 bool WaitForTabsAndPopups(Browser* browser,
  71                           int num_tabs,
  72                           int num_popups,
  73                           int num_panels) {
  74   SCOPED_TRACE(
  75       base::StringPrintf("WaitForTabsAndPopups tabs:%d, popups:%d, panels:%d",
  76                          num_tabs, num_popups, num_panels));
  77   // We start with one tab and one browser already open.
  78   ++num_tabs;
  79   size_t num_browsers = static_cast<size_t>(num_popups) + 1;
  80
  81   const base::TimeDelta kWaitTime = base::TimeDelta::FromSeconds(10);
  82   base::TimeTicks end_time = base::TimeTicks::Now() + kWaitTime;
  83   while (base::TimeTicks::Now() < end_time) {
  84     if (chrome::GetBrowserCount(browser->profile(),
  85                                 browser->host_desktop_type()) == num_browsers &&
  86         browser->tab_strip_model()->count() == num_tabs &&
  87         GetPanelCount(browser) == num_panels)
  88       break;
  89
  90     content::RunAllPendingInMessageLoop();
  91   }
  92
  93   EXPECT_EQ(num_browsers,
  94             chrome::GetBrowserCount(browser->profile(),
  95                                     browser->host_desktop_type()));
  96   EXPECT_EQ(num_tabs, browser->tab_strip_model()->count());
  97   EXPECT_EQ(num_panels, GetPanelCount(browser));
  98
  99   int num_popups_seen = 0;
 100   for (chrome::BrowserIterator iter; !iter.done(); iter.Next()) {
 101     if (*iter == browser)
 102       continue;
 103
 104     EXPECT_TRUE((*iter)->is_type_popup());
 105     ++num_popups_seen;
 106   }
 107   EXPECT_EQ(num_popups, num_popups_seen);
 108
 109   return ((num_browsers ==
 110                chrome::GetBrowserCount(browser->profile(),
 111                                        browser->host_desktop_type())) &&
 112           (num_tabs == browser->tab_strip_model()->count()) &&
 113           (num_panels == GetPanelCount(browser)) &&
 114           (num_popups == num_popups_seen));
 115 }
 116
 117 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, BrowserIsApp) {
 118   host_resolver()->AddRule("a.com", "127.0.0.1");
 119   ASSERT_TRUE(StartEmbeddedTestServer());
 120   ASSERT_TRUE(LoadExtension(
 121       test_data_dir_.AppendASCII("window_open").AppendASCII("browser_is_app")));
 122
 123   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 0, 2, 0));
 124
 125   for (chrome::BrowserIterator iter; !iter.done(); iter.Next()) {
 126     if (*iter == browser())
 127       ASSERT_FALSE(iter->is_app());
 128     else
 129       ASSERT_TRUE(iter->is_app());
 130   }
 131 }
 132
 133 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupDefault) {
 134   ASSERT_TRUE(StartEmbeddedTestServer());
 135   ASSERT_TRUE(LoadExtension(
 136       test_data_dir_.AppendASCII("window_open").AppendASCII("popup")));
 137
 138   const int num_tabs = 1;
 139   const int num_popups = 0;
 140   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 141 }
 142
 143 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupIframe) {
 144   ASSERT_TRUE(StartEmbeddedTestServer());
 145   base::FilePath test_data_dir;
 146   PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir);
 147   embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
 148   ASSERT_TRUE(LoadExtension(
 149       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_iframe")));
 150
 151   const int num_tabs = 1;
 152   const int num_popups = 0;
 153   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 154 }
 155
 156 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupLarge) {
 157   ASSERT_TRUE(StartEmbeddedTestServer());
 158   ASSERT_TRUE(LoadExtension(
 159       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_large")));
 160
 161   // On other systems this should open a new popup window.
 162   const int num_tabs = 0;
 163   const int num_popups = 1;
 164   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 165 }
 166
 167 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupSmall) {
 168   ASSERT_TRUE(StartEmbeddedTestServer());
 169   ASSERT_TRUE(LoadExtension(
 170       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_small")));
 171
 172   // On ChromeOS this should open a new panel (acts like a new popup window).
 173   // On other systems this should open a new popup window.
 174   const int num_tabs = 0;
 175   const int num_popups = 1;
 176   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 177 }
 178
 179 // Disabled on Windows. Often times out or fails: crbug.com/177530
 180 #if defined(OS_WIN)
 181 #define MAYBE_PopupBlockingExtension DISABLED_PopupBlockingExtension
 182 #else
 183 #define MAYBE_PopupBlockingExtension PopupBlockingExtension
 184 #endif
 185 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_PopupBlockingExtension) {
 186   host_resolver()->AddRule("*", "127.0.0.1");
 187   ASSERT_TRUE(StartEmbeddedTestServer());
 188
 189   ASSERT_TRUE(LoadExtension(
 190       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_blocking")
 191       .AppendASCII("extension")));
 192
 193   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 5, 3, 0));
 194 }
 195
 196 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PopupBlockingHostedApp) {
 197   host_resolver()->AddRule("*", "127.0.0.1");
 198   ASSERT_TRUE(test_server()->Start());
 199
 200   ASSERT_TRUE(LoadExtension(
 201       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_blocking")
 202       .AppendASCII("hosted_app")));
 203
 204   // The app being tested owns the domain a.com .  The test URLs we navigate
 205   // to below must be within that domain, so that they fall within the app's
 206   // web extent.
 207   GURL::Replacements replace_host;
 208   std::string a_dot_com = "a.com";
 209   replace_host.SetHostStr(a_dot_com);
 210
 211   const std::string popup_app_contents_path(
 212     "files/extensions/api_test/window_open/popup_blocking/hosted_app/");
 213
 214   GURL open_tab =
 215       test_server()->GetURL(popup_app_contents_path + "open_tab.html")
 216           .ReplaceComponents(replace_host);
 217   GURL open_popup =
 218       test_server()->GetURL(popup_app_contents_path + "open_popup.html")
 219           .ReplaceComponents(replace_host);
 220
 221   browser()->OpenURL(OpenURLParams(
 222       open_tab, Referrer(), NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_TYPED,
 223       false));
 224   browser()->OpenURL(OpenURLParams(
 225       open_popup, Referrer(), NEW_FOREGROUND_TAB,
 226       ui::PAGE_TRANSITION_TYPED, false));
 227
 228   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 3, 1, 0));
 229 }
 230
 231 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowArgumentsOverflow) {
 232   ASSERT_TRUE(RunExtensionTest("window_open/argument_overflow")) << message_;
 233 }
 234
 235 class WindowOpenPanelDisabledTest : public ExtensionApiTest {
 236   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
 237     ExtensionApiTest::SetUpCommandLine(command_line);
 238     // TODO(jennb): Re-enable when panels are enabled by default.
 239     // command_line->AppendSwitch(switches::kDisablePanels);
 240   }
 241 };
 242
 243 IN_PROC_BROWSER_TEST_F(WindowOpenPanelDisabledTest,
 244                        DISABLED_WindowOpenPanelNotEnabled) {
 245   ASSERT_TRUE(RunExtensionTest("window_open/panel_not_enabled")) << message_;
 246 }
 247
 248 class WindowOpenPanelTest : public ExtensionApiTest {
 249   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
 250     ExtensionApiTest::SetUpCommandLine(command_line);
 251     command_line->AppendSwitch(switches::kEnablePanels);
 252   }
 253 };
 254
 255 #if defined(USE_ASH_PANELS)
 256 // On Ash, this currently fails because we're currently opening new panel
 257 // windows as popup windows instead.
 258 #define MAYBE_WindowOpenPanel DISABLED_WindowOpenPanel
 259 #else
 260 #define MAYBE_WindowOpenPanel WindowOpenPanel
 261 #endif
 262 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, MAYBE_WindowOpenPanel) {
 263   ASSERT_TRUE(RunExtensionTest("window_open/panel")) << message_;
 264 }
 265
 266 #if defined(USE_ASH_PANELS) || defined(OS_LINUX)
 267 // On Ash, this currently fails because we're currently opening new panel
 268 // windows as popup windows instead.
 269 // We're also failing on Linux-aura due to the panel is not opened in the
 270 // right origin.
 271 #define MAYBE_WindowOpenPanelDetached DISABLED_WindowOpenPanelDetached
 272 #else
 273 #define MAYBE_WindowOpenPanelDetached WindowOpenPanelDetached
 274 #endif
 275 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, MAYBE_WindowOpenPanelDetached) {
 276   ASSERT_TRUE(RunExtensionTest("window_open/panel_detached")) << message_;
 277 }
 278
 279 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 280 // TODO(erg): Bring up ash http://crbug.com/300084
 281 #define MAYBE_CloseNonExtensionPanelsOnUninstall \
 282   DISABLED_CloseNonExtensionPanelsOnUninstall
 283 #else
 284 #define MAYBE_CloseNonExtensionPanelsOnUninstall \
 285   CloseNonExtensionPanelsOnUninstall
 286 #endif
 287 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest,
 288                        MAYBE_CloseNonExtensionPanelsOnUninstall) {
 289 #if defined(OS_WIN) && defined(USE_ASH)
 290   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
 291   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
 292     return;
 293 #endif
 294
 295 #if defined(USE_ASH_PANELS)
 296   // On Ash, new panel windows open as popup windows instead.
 297   int num_popups, num_panels;
 298   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePanels)) {
 299     num_popups = 2;
 300     num_panels = 2;
 301   } else {
 302     num_popups = 4;
 303     num_panels = 0;
 304   }
 305 #else
 306   int num_popups = 2;
 307   int num_panels = 2;
 308 #endif
 309   ASSERT_TRUE(StartEmbeddedTestServer());
 310
 311   // Setup listeners to wait on strings we expect the extension pages to send.
 312   std::vector<std::string> test_strings;
 313   test_strings.push_back("content_tab");
 314   if (num_panels)
 315     test_strings.push_back("content_panel");
 316   test_strings.push_back("content_popup");
 317
 318   ScopedVector<ExtensionTestMessageListener> listeners;
 319   for (size_t i = 0; i < test_strings.size(); ++i) {
 320     listeners.push_back(
 321         new ExtensionTestMessageListener(test_strings[i], false));
 322   }
 323
 324   const extensions::Extension* extension = LoadExtension(
 325       test_data_dir_.AppendASCII("window_open").AppendASCII(
 326           "close_panels_on_uninstall"));
 327   ASSERT_TRUE(extension);
 328
 329   // Two tabs. One in extension domain and one in non-extension domain.
 330   // Two popups - one in extension domain and one in non-extension domain.
 331   // Two panels - one in extension domain and one in non-extension domain.
 332   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 2, num_popups, num_panels));
 333
 334   // Wait on test messages to make sure the pages loaded.
 335   for (size_t i = 0; i < listeners.size(); ++i)
 336     ASSERT_TRUE(listeners[i]->WaitUntilSatisfied());
 337
 338   UninstallExtension(extension->id());
 339
 340   // Wait for the tabs and popups in non-extension domain to stay open.
 341   // Expect everything else, including panels, to close.
 342   num_popups -= 1;
 343 #if defined(USE_ASH_PANELS)
 344   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePanels)) {
 345     // On Ash, new panel windows open as popup windows instead, so there are 2
 346     // extension domain popups that will close (instead of 1 popup on non-Ash).
 347     num_popups -= 1;
 348   }
 349 #endif
 350 #if defined(USE_ASH)
 351 #if !defined(OS_WIN)
 352   // On linux ash we close all popup applications when closing its extension.
 353   num_popups = 0;
 354 #endif
 355 #endif
 356   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 1, num_popups, 0));
 357 }
 358
 359 // This test isn't applicable on Chrome OS, which automatically reloads crashed
 360 // pages.
 361 #if !defined(OS_CHROMEOS)
 362 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, ClosePanelsOnExtensionCrash) {
 363 #if defined(USE_ASH_PANELS)
 364   // On Ash, new panel windows open as popup windows instead.
 365   int num_popups = 4;
 366   int num_panels = 0;
 367 #else
 368   int num_popups = 2;
 369   int num_panels = 2;
 370 #endif
 371   ASSERT_TRUE(StartEmbeddedTestServer());
 372
 373   // Setup listeners to wait on strings we expect the extension pages to send.
 374   std::vector<std::string> test_strings;
 375   test_strings.push_back("content_tab");
 376   if (num_panels)
 377     test_strings.push_back("content_panel");
 378   test_strings.push_back("content_popup");
 379
 380   ScopedVector<ExtensionTestMessageListener> listeners;
 381   for (size_t i = 0; i < test_strings.size(); ++i) {
 382     listeners.push_back(
 383         new ExtensionTestMessageListener(test_strings[i], false));
 384   }
 385
 386   const extensions::Extension* extension = LoadExtension(
 387       test_data_dir_.AppendASCII("window_open").AppendASCII(
 388           "close_panels_on_uninstall"));
 389   ASSERT_TRUE(extension);
 390
 391   // Two tabs. One in extension domain and one in non-extension domain.
 392   // Two popups - one in extension domain and one in non-extension domain.
 393   // Two panels - one in extension domain and one in non-extension domain.
 394   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 2, num_popups, num_panels));
 395
 396   // Wait on test messages to make sure the pages loaded.
 397   for (size_t i = 0; i < listeners.size(); ++i)
 398     ASSERT_TRUE(listeners[i]->WaitUntilSatisfied());
 399
 400   // Crash the extension.
 401   extensions::ExtensionHost* extension_host =
 402       extensions::ExtensionSystem::Get(browser()->profile())->
 403           process_manager()->GetBackgroundHostForExtension(extension->id());
 404   ASSERT_TRUE(extension_host);
 405   base::KillProcess(extension_host->render_process_host()->GetHandle(),
 406                     content::RESULT_CODE_KILLED, false);
 407   WaitForExtensionCrash(extension->id());
 408
 409   // Only expect panels to close. The rest stay open to show a sad-tab.
 410   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 2, num_popups, 0));
 411 }
 412 #endif  // !defined(OS_CHROMEOS)
 413
 414 #if defined(USE_ASH_PANELS)
 415 // This test is not applicable on Ash. The modified window.open behavior only
 416 // applies to non-Ash panel windows.
 417 #define MAYBE_WindowOpenFromPanel DISABLED_WindowOpenFromPanel
 418 #else
 419 #define MAYBE_WindowOpenFromPanel WindowOpenFromPanel
 420 #endif
 421 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, MAYBE_WindowOpenFromPanel) {
 422   ASSERT_TRUE(StartEmbeddedTestServer());
 423
 424   // Load the extension that will open a panel which then calls window.open.
 425   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("window_open").
 426                             AppendASCII("panel_window_open")));
 427
 428   // Expect one panel (opened by extension) and one tab (from the panel calling
 429   // window.open). Panels modify the WindowOpenDisposition in window.open
 430   // to always open in a tab.
 431   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 1, 0, 1));
 432 }
 433
 434 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DISABLED_WindowOpener) {
 435   ASSERT_TRUE(RunExtensionTest("window_open/opener")) << message_;
 436 }
 437
 438 #if defined(OS_MACOSX)
 439 // Extension popup windows are incorrectly sized on OSX, crbug.com/225601
 440 #define MAYBE_WindowOpenSized DISABLED_WindowOpenSized
 441 #else
 442 #define MAYBE_WindowOpenSized WindowOpenSized
 443 #endif
 444 // Ensure that the width and height properties of a window opened with
 445 // chrome.windows.create match the creation parameters. See crbug.com/173831.
 446 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_WindowOpenSized) {
 447   ASSERT_TRUE(RunExtensionTest("window_open/window_size")) << message_;
 448   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 0, 1, 0));
 449 }
 450
 451 // Tests that an extension page can call window.open to an extension URL and
 452 // the new window has extension privileges.
 453 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, WindowOpenExtension) {
 454   ASSERT_TRUE(LoadExtension(
 455       test_data_dir_.AppendASCII("uitest").AppendASCII("window_open")));
 456
 457   GURL start_url(std::string(extensions::kExtensionScheme) +
 458                      url::kStandardSchemeSeparator +
 459                      last_loaded_extension_id() + "/test.html");
 460   ui_test_utils::NavigateToURL(browser(), start_url);
 461   WebContents* newtab = NULL;
 462   ASSERT_NO_FATAL_FAILURE(
 463       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
 464       start_url.Resolve("newtab.html"), true, &newtab));
 465
 466   bool result = false;
 467   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(newtab, "testExtensionApi()",
 468                                                    &result));
 469   EXPECT_TRUE(result);
 470 }
 471
 472 // Tests that if an extension page calls window.open to an invalid extension
 473 // URL, the browser doesn't crash.
 474 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, WindowOpenInvalidExtension) {
 475   ASSERT_TRUE(LoadExtension(
 476       test_data_dir_.AppendASCII("uitest").AppendASCII("window_open")));
 477
 478   GURL start_url(std::string(extensions::kExtensionScheme) +
 479                      url::kStandardSchemeSeparator +
 480                      last_loaded_extension_id() + "/test.html");
 481   ui_test_utils::NavigateToURL(browser(), start_url);
 482   ASSERT_NO_FATAL_FAILURE(
 483       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
 484       GURL("chrome-extension://thisissurelynotavalidextensionid/newtab.html"),
 485       false, NULL));
 486
 487   // If we got to this point, we didn't crash, so we're good.
 488 }
 489
 490 // Tests that calling window.open from the newtab page to an extension URL
 491 // gives the new window extension privileges - even though the opening page
 492 // does not have extension privileges, we break the script connection, so
 493 // there is no privilege leak.
 494 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, WindowOpenNoPrivileges) {
 495   ASSERT_TRUE(LoadExtension(
 496       test_data_dir_.AppendASCII("uitest").AppendASCII("window_open")));
 497
 498   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
 499   WebContents* newtab = NULL;
 500   ASSERT_NO_FATAL_FAILURE(
 501       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
 502                  GURL(std::string(extensions::kExtensionScheme) +
 503                      url::kStandardSchemeSeparator +
 504                      last_loaded_extension_id() + "/newtab.html"),
 505                  false,
 506                  &newtab));
 507
 508   // Extension API should succeed.
 509   bool result = false;
 510   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(newtab, "testExtensionApi()",
 511                                                    &result));
 512   EXPECT_TRUE(result);
 513 }