src/chrome/test/base/ui_test_utils.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 "chrome/test/base/ui_test_utils.h"
   6
   7 #if defined(OS_WIN)
   8 #include <windows.h>
   9 #endif
  10
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/callback.h"
  14 #include "base/command_line.h"
  15 #include "base/files/file_path.h"
  16 #include "base/files/file_util.h"
  17 #include "base/json/json_reader.h"
  18 #include "base/memory/ref_counted.h"
  19 #include "base/memory/scoped_ptr.h"
  20 #include "base/path_service.h"
  21 #include "base/prefs/pref_service.h"
  22 #include "base/strings/stringprintf.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "base/test/test_timeouts.h"
  25 #include "base/time/time.h"
  26 #include "base/values.h"
  27 #include "chrome/browser/autocomplete/autocomplete_controller.h"
  28 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
  29 #include "chrome/browser/browser_process.h"
  30 #include "chrome/browser/chrome_notification_types.h"
  31 #include "chrome/browser/extensions/extension_action.h"
  32 #include "chrome/browser/history/history_service_factory.h"
  33 #include "chrome/browser/profiles/profile.h"
  34 #include "chrome/browser/ui/app_modal_dialogs/app_modal_dialog.h"
  35 #include "chrome/browser/ui/app_modal_dialogs/app_modal_dialog_queue.h"
  36 #include "chrome/browser/ui/browser.h"
  37 #include "chrome/browser/ui/browser_commands.h"
  38 #include "chrome/browser/ui/browser_finder.h"
  39 #include "chrome/browser/ui/browser_iterator.h"
  40 #include "chrome/browser/ui/browser_list.h"
  41 #include "chrome/browser/ui/browser_navigator.h"
  42 #include "chrome/browser/ui/browser_window.h"
  43 #include "chrome/browser/ui/find_bar/find_notification_details.h"
  44 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
  45 #include "chrome/browser/ui/host_desktop.h"
  46 #include "chrome/browser/ui/location_bar/location_bar.h"
  47 #include "chrome/browser/ui/omnibox/omnibox_view.h"
  48 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  49 #include "chrome/common/chrome_paths.h"
  50 #include "chrome/common/pref_names.h"
  51 #include "chrome/test/base/find_in_page_observer.h"
  52 #include "components/bookmarks/browser/bookmark_model.h"
  53 #include "components/search_engines/template_url_service.h"
  54 #include "content/public/browser/dom_operation_notification_details.h"
  55 #include "content/public/browser/download_item.h"
  56 #include "content/public/browser/download_manager.h"
  57 #include "content/public/browser/geolocation_provider.h"
  58 #include "content/public/browser/navigation_controller.h"
  59 #include "content/public/browser/navigation_entry.h"
  60 #include "content/public/browser/notification_service.h"
  61 #include "content/public/browser/render_process_host.h"
  62 #include "content/public/browser/render_view_host.h"
  63 #include "content/public/browser/web_contents.h"
  64 #include "content/public/browser/web_contents_observer.h"
  65 #include "content/public/common/geoposition.h"
  66 #include "content/public/test/browser_test_utils.h"
  67 #include "content/public/test/download_test_observer.h"
  68 #include "content/public/test/test_navigation_observer.h"
  69 #include "content/public/test/test_utils.h"
  70 #include "net/base/filename_util.h"
  71 #include "net/cookies/cookie_constants.h"
  72 #include "net/cookies/cookie_monster.h"
  73 #include "net/cookies/cookie_store.h"
  74 #include "net/test/python_utils.h"
  75 #include "net/url_request/url_request_context.h"
  76 #include "net/url_request/url_request_context_getter.h"
  77 #include "third_party/skia/include/core/SkBitmap.h"
  78 #include "third_party/skia/include/core/SkColor.h"
  79 #include "ui/gfx/size.h"
  80 #include "ui/snapshot/test/snapshot_desktop.h"
  81
  82 #if defined(USE_AURA)
  83 #include "ash/shell.h"
  84 #include "ui/aura/window_event_dispatcher.h"
  85 #endif
  86
  87 using content::DomOperationNotificationDetails;
  88 using content::NativeWebKeyboardEvent;
  89 using content::NavigationController;
  90 using content::NavigationEntry;
  91 using content::OpenURLParams;
  92 using content::RenderViewHost;
  93 using content::RenderWidgetHost;
  94 using content::Referrer;
  95 using content::WebContents;
  96
  97 namespace ui_test_utils {
  98
  99 namespace {
 100
 101 #if defined(OS_WIN)
 102 const char kSnapshotBaseName[] = "ChromiumSnapshot";
 103 const char kSnapshotExtension[] = ".png";
 104
 105 base::FilePath GetSnapshotFileName(const base::FilePath& snapshot_directory) {
 106   base::Time::Exploded the_time;
 107
 108   base::Time::Now().LocalExplode(&the_time);
 109   std::string filename(base::StringPrintf("%s%04d%02d%02d%02d%02d%02d%s",
 110       kSnapshotBaseName, the_time.year, the_time.month, the_time.day_of_month,
 111       the_time.hour, the_time.minute, the_time.second, kSnapshotExtension));
 112
 113   base::FilePath snapshot_file = snapshot_directory.AppendASCII(filename);
 114   if (base::PathExists(snapshot_file)) {
 115     int index = 0;
 116     std::string suffix;
 117     base::FilePath trial_file;
 118     do {
 119       suffix = base::StringPrintf(" (%d)", ++index);
 120       trial_file = snapshot_file.InsertBeforeExtensionASCII(suffix);
 121     } while (base::PathExists(trial_file));
 122     snapshot_file = trial_file;
 123   }
 124   return snapshot_file;
 125 }
 126 #endif  // defined(OS_WIN)
 127
 128 Browser* WaitForBrowserNotInSet(std::set<Browser*> excluded_browsers) {
 129   Browser* new_browser = GetBrowserNotInSet(excluded_browsers);
 130   if (new_browser == NULL) {
 131     BrowserAddedObserver observer;
 132     new_browser = observer.WaitForSingleNewBrowser();
 133     // The new browser should never be in |excluded_browsers|.
 134     DCHECK(!ContainsKey(excluded_browsers, new_browser));
 135   }
 136   return new_browser;
 137 }
 138
 139 }  // namespace
 140
 141 bool GetCurrentTabTitle(const Browser* browser, base::string16* title) {
 142   WebContents* web_contents =
 143       browser->tab_strip_model()->GetActiveWebContents();
 144   if (!web_contents)
 145     return false;
 146   NavigationEntry* last_entry = web_contents->GetController().GetActiveEntry();
 147   if (!last_entry)
 148     return false;
 149   title->assign(last_entry->GetTitleForDisplay(std::string()));
 150   return true;
 151 }
 152
 153 Browser* OpenURLOffTheRecord(Profile* profile, const GURL& url) {
 154   chrome::HostDesktopType active_desktop = chrome::GetActiveDesktop();
 155   chrome::OpenURLOffTheRecord(profile, url, active_desktop);
 156   Browser* browser = chrome::FindTabbedBrowser(
 157       profile->GetOffTheRecordProfile(), false, active_desktop);
 158   content::TestNavigationObserver observer(
 159       browser->tab_strip_model()->GetActiveWebContents());
 160   observer.Wait();
 161   return browser;
 162 }
 163
 164 void NavigateToURL(chrome::NavigateParams* params) {
 165   chrome::Navigate(params);
 166   content::WaitForLoadStop(params->target_contents);
 167 }
 168
 169
 170 void NavigateToURLWithPost(Browser* browser, const GURL& url) {
 171   chrome::NavigateParams params(browser, url,
 172                                 ui::PAGE_TRANSITION_FORM_SUBMIT);
 173   params.uses_post = true;
 174   NavigateToURL(&params);
 175 }
 176
 177 void NavigateToURL(Browser* browser, const GURL& url) {
 178   NavigateToURLWithDisposition(browser, url, CURRENT_TAB,
 179                                BROWSER_TEST_WAIT_FOR_NAVIGATION);
 180 }
 181
 182 // Navigates the specified tab (via |disposition|) of |browser| to |url|,
 183 // blocking until the |number_of_navigations| specified complete.
 184 // |disposition| indicates what tab the download occurs in, and
 185 // |browser_test_flags| controls what to wait for before continuing.
 186 static void NavigateToURLWithDispositionBlockUntilNavigationsComplete(
 187     Browser* browser,
 188     const GURL& url,
 189     int number_of_navigations,
 190     WindowOpenDisposition disposition,
 191     int browser_test_flags) {
 192   TabStripModel* tab_strip = browser->tab_strip_model();
 193   if (disposition == CURRENT_TAB && tab_strip->GetActiveWebContents())
 194       content::WaitForLoadStop(tab_strip->GetActiveWebContents());
 195   content::TestNavigationObserver same_tab_observer(
 196       tab_strip->GetActiveWebContents(),
 197       number_of_navigations);
 198
 199   std::set<Browser*> initial_browsers;
 200   for (chrome::BrowserIterator it; !it.done(); it.Next())
 201     initial_browsers.insert(*it);
 202
 203   content::WindowedNotificationObserver tab_added_observer(
 204       chrome::NOTIFICATION_TAB_ADDED,
 205       content::NotificationService::AllSources());
 206
 207   browser->OpenURL(OpenURLParams(
 208       url, Referrer(), disposition, ui::PAGE_TRANSITION_TYPED, false));
 209   if (browser_test_flags & BROWSER_TEST_WAIT_FOR_BROWSER)
 210     browser = WaitForBrowserNotInSet(initial_browsers);
 211   if (browser_test_flags & BROWSER_TEST_WAIT_FOR_TAB)
 212     tab_added_observer.Wait();
 213   if (!(browser_test_flags & BROWSER_TEST_WAIT_FOR_NAVIGATION)) {
 214     // Some other flag caused the wait prior to this.
 215     return;
 216   }
 217   WebContents* web_contents = NULL;
 218   if (disposition == NEW_BACKGROUND_TAB) {
 219     // We've opened up a new tab, but not selected it.
 220     TabStripModel* tab_strip = browser->tab_strip_model();
 221     web_contents = tab_strip->GetWebContentsAt(tab_strip->active_index() + 1);
 222     EXPECT_TRUE(web_contents != NULL)
 223         << " Unable to wait for navigation to \"" << url.spec()
 224         << "\" because the new tab is not available yet";
 225     if (!web_contents)
 226       return;
 227   } else if ((disposition == CURRENT_TAB) ||
 228       (disposition == NEW_FOREGROUND_TAB) ||
 229       (disposition == SINGLETON_TAB)) {
 230     // The currently selected tab is the right one.
 231     web_contents = browser->tab_strip_model()->GetActiveWebContents();
 232   }
 233   if (disposition == CURRENT_TAB) {
 234     same_tab_observer.Wait();
 235     return;
 236   } else if (web_contents) {
 237     content::TestNavigationObserver observer(web_contents,
 238                                              number_of_navigations);
 239     observer.Wait();
 240     return;
 241   }
 242   EXPECT_TRUE(NULL != web_contents) << " Unable to wait for navigation to \""
 243                                     << url.spec() << "\""
 244                                     << " because we can't get the tab contents";
 245 }
 246
 247 void NavigateToURLWithDisposition(Browser* browser,
 248                                   const GURL& url,
 249                                   WindowOpenDisposition disposition,
 250                                   int browser_test_flags) {
 251   NavigateToURLWithDispositionBlockUntilNavigationsComplete(
 252       browser,
 253       url,
 254       1,
 255       disposition,
 256       browser_test_flags);
 257 }
 258
 259 void NavigateToURLBlockUntilNavigationsComplete(Browser* browser,
 260                                                 const GURL& url,
 261                                                 int number_of_navigations) {
 262   NavigateToURLWithDispositionBlockUntilNavigationsComplete(
 263       browser,
 264       url,
 265       number_of_navigations,
 266       CURRENT_TAB,
 267       BROWSER_TEST_WAIT_FOR_NAVIGATION);
 268 }
 269
 270 base::FilePath GetTestFilePath(const base::FilePath& dir,
 271                                const base::FilePath& file) {
 272   base::FilePath path;
 273   PathService::Get(chrome::DIR_TEST_DATA, &path);
 274   return path.Append(dir).Append(file);
 275 }
 276
 277 GURL GetTestUrl(const base::FilePath& dir, const base::FilePath& file) {
 278   return net::FilePathToFileURL(GetTestFilePath(dir, file));
 279 }
 280
 281 bool GetRelativeBuildDirectory(base::FilePath* build_dir) {
 282   // This function is used to find the build directory so TestServer can serve
 283   // built files (nexes, etc).  TestServer expects a path relative to the source
 284   // root.
 285   base::FilePath exe_dir =
 286       CommandLine::ForCurrentProcess()->GetProgram().DirName();
 287   base::FilePath src_dir;
 288   if (!PathService::Get(base::DIR_SOURCE_ROOT, &src_dir))
 289     return false;
 290
 291   // We must first generate absolute paths to SRC and EXE and from there
 292   // generate a relative path.
 293   if (!exe_dir.IsAbsolute())
 294     exe_dir = base::MakeAbsoluteFilePath(exe_dir);
 295   if (!src_dir.IsAbsolute())
 296     src_dir = base::MakeAbsoluteFilePath(src_dir);
 297   if (!exe_dir.IsAbsolute())
 298     return false;
 299   if (!src_dir.IsAbsolute())
 300     return false;
 301
 302   size_t match, exe_size, src_size;
 303   std::vector<base::FilePath::StringType> src_parts, exe_parts;
 304
 305   // Determine point at which src and exe diverge.
 306   exe_dir.GetComponents(&exe_parts);
 307   src_dir.GetComponents(&src_parts);
 308   exe_size = exe_parts.size();
 309   src_size = src_parts.size();
 310   for (match = 0; match < exe_size && match < src_size; ++match) {
 311     if (exe_parts[match] != src_parts[match])
 312       break;
 313   }
 314
 315   // Create a relative path.
 316   *build_dir = base::FilePath();
 317   for (size_t tmp_itr = match; tmp_itr < src_size; ++tmp_itr)
 318     *build_dir = build_dir->Append(FILE_PATH_LITERAL(".."));
 319   for (; match < exe_size; ++match)
 320     *build_dir = build_dir->Append(exe_parts[match]);
 321   return true;
 322 }
 323
 324 AppModalDialog* WaitForAppModalDialog() {
 325   AppModalDialogQueue* dialog_queue = AppModalDialogQueue::GetInstance();
 326   if (dialog_queue->HasActiveDialog())
 327     return dialog_queue->active_dialog();
 328
 329   content::WindowedNotificationObserver observer(
 330       chrome::NOTIFICATION_APP_MODAL_DIALOG_SHOWN,
 331       content::NotificationService::AllSources());
 332   observer.Wait();
 333   return content::Source<AppModalDialog>(observer.source()).ptr();
 334 }
 335
 336 int FindInPage(WebContents* tab,
 337                const base::string16& search_string,
 338                bool forward,
 339                bool match_case,
 340                int* ordinal,
 341                gfx::Rect* selection_rect) {
 342   FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(tab);
 343   find_tab_helper->StartFinding(search_string, forward, match_case);
 344   FindInPageNotificationObserver observer(tab);
 345   observer.Wait();
 346   if (ordinal)
 347     *ordinal = observer.active_match_ordinal();
 348   if (selection_rect)
 349     *selection_rect = observer.selection_rect();
 350   return observer.number_of_matches();
 351 }
 352
 353 void WaitForTemplateURLServiceToLoad(TemplateURLService* service) {
 354   if (service->loaded())
 355     return;
 356   scoped_refptr<content::MessageLoopRunner> message_loop_runner =
 357       new content::MessageLoopRunner;
 358   scoped_ptr<TemplateURLService::Subscription> subscription =
 359       service->RegisterOnLoadedCallback(
 360           message_loop_runner->QuitClosure());
 361   service->Load();
 362   message_loop_runner->Run();
 363
 364   ASSERT_TRUE(service->loaded());
 365 }
 366
 367 void WaitForHistoryToLoad(HistoryService* history_service) {
 368   content::WindowedNotificationObserver history_loaded_observer(
 369       chrome::NOTIFICATION_HISTORY_LOADED,
 370       content::NotificationService::AllSources());
 371   if (!history_service->BackendLoaded())
 372     history_loaded_observer.Wait();
 373 }
 374
 375 void DownloadURL(Browser* browser, const GURL& download_url) {
 376   base::ScopedTempDir downloads_directory;
 377   ASSERT_TRUE(downloads_directory.CreateUniqueTempDir());
 378   browser->profile()->GetPrefs()->SetFilePath(
 379       prefs::kDownloadDefaultDirectory, downloads_directory.path());
 380
 381   content::DownloadManager* download_manager =
 382       content::BrowserContext::GetDownloadManager(browser->profile());
 383   scoped_ptr<content::DownloadTestObserver> observer(
 384       new content::DownloadTestObserverTerminal(
 385           download_manager, 1,
 386           content::DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_ACCEPT));
 387
 388   ui_test_utils::NavigateToURL(browser, download_url);
 389   observer->WaitForFinished();
 390 }
 391
 392 void SendToOmniboxAndSubmit(LocationBar* location_bar,
 393                             const std::string& input) {
 394   OmniboxView* omnibox = location_bar->GetOmniboxView();
 395   omnibox->model()->OnSetFocus(false);
 396   omnibox->SetUserText(base::ASCIIToUTF16(input));
 397   location_bar->AcceptInput();
 398   while (!omnibox->model()->autocomplete_controller()->done()) {
 399     content::WindowedNotificationObserver observer(
 400         chrome::NOTIFICATION_AUTOCOMPLETE_CONTROLLER_RESULT_READY,
 401         content::NotificationService::AllSources());
 402     observer.Wait();
 403   }
 404 }
 405
 406 Browser* GetBrowserNotInSet(std::set<Browser*> excluded_browsers) {
 407   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
 408     if (excluded_browsers.find(*it) == excluded_browsers.end())
 409       return *it;
 410   }
 411   return NULL;
 412 }
 413
 414 namespace {
 415
 416 void GetCookiesCallback(base::WaitableEvent* event,
 417                         std::string* cookies,
 418                         const std::string& cookie_line) {
 419   *cookies = cookie_line;
 420   event->Signal();
 421 }
 422
 423 void GetCookiesOnIOThread(
 424     const GURL& url,
 425     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
 426     base::WaitableEvent* event,
 427     std::string* cookies) {
 428   context_getter->GetURLRequestContext()->cookie_store()->
 429       GetCookiesWithOptionsAsync(
 430           url, net::CookieOptions(),
 431           base::Bind(&GetCookiesCallback, event, cookies));
 432 }
 433
 434 }  // namespace
 435
 436 void GetCookies(const GURL& url,
 437                 WebContents* contents,
 438                 int* value_size,
 439                 std::string* value) {
 440   *value_size = -1;
 441   if (url.is_valid() && contents) {
 442     scoped_refptr<net::URLRequestContextGetter> context_getter =
 443         contents->GetBrowserContext()->GetRequestContextForRenderProcess(
 444             contents->GetRenderProcessHost()->GetID());
 445     base::WaitableEvent event(true /* manual reset */,
 446                               false /* not initially signaled */);
 447     CHECK(content::BrowserThread::PostTask(
 448         content::BrowserThread::IO, FROM_HERE,
 449         base::Bind(&GetCookiesOnIOThread, url, context_getter, &event, value)));
 450     event.Wait();
 451
 452     *value_size = static_cast<int>(value->size());
 453   }
 454 }
 455
 456 WindowedTabAddedNotificationObserver::WindowedTabAddedNotificationObserver(
 457     const content::NotificationSource& source)
 458     : WindowedNotificationObserver(chrome::NOTIFICATION_TAB_ADDED, source),
 459       added_tab_(NULL) {
 460 }
 461
 462 void WindowedTabAddedNotificationObserver::Observe(
 463     int type,
 464     const content::NotificationSource& source,
 465     const content::NotificationDetails& details) {
 466   added_tab_ = content::Details<WebContents>(details).ptr();
 467   content::WindowedNotificationObserver::Observe(type, source, details);
 468 }
 469
 470 UrlLoadObserver::UrlLoadObserver(const GURL& url,
 471                                  const content::NotificationSource& source)
 472     : WindowedNotificationObserver(content::NOTIFICATION_LOAD_STOP, source),
 473       url_(url) {
 474 }
 475
 476 UrlLoadObserver::~UrlLoadObserver() {}
 477
 478 void UrlLoadObserver::Observe(
 479     int type,
 480     const content::NotificationSource& source,
 481     const content::NotificationDetails& details) {
 482   NavigationController* controller =
 483       content::Source<NavigationController>(source).ptr();
 484   if (controller->GetWebContents()->GetURL() != url_)
 485     return;
 486
 487   WindowedNotificationObserver::Observe(type, source, details);
 488 }
 489
 490 BrowserAddedObserver::BrowserAddedObserver()
 491     : notification_observer_(
 492           chrome::NOTIFICATION_BROWSER_OPENED,
 493           content::NotificationService::AllSources()) {
 494   for (chrome::BrowserIterator it; !it.done(); it.Next())
 495     original_browsers_.insert(*it);
 496 }
 497
 498 BrowserAddedObserver::~BrowserAddedObserver() {
 499 }
 500
 501 Browser* BrowserAddedObserver::WaitForSingleNewBrowser() {
 502   notification_observer_.Wait();
 503   // Ensure that only a single new browser has appeared.
 504   EXPECT_EQ(original_browsers_.size() + 1, chrome::GetTotalBrowserCount());
 505   return GetBrowserNotInSet(original_browsers_);
 506 }
 507
 508 #if defined(OS_WIN)
 509
 510 bool SaveScreenSnapshotToDirectory(const base::FilePath& directory,
 511                                    base::FilePath* screenshot_path) {
 512   bool succeeded = false;
 513   base::FilePath out_path(GetSnapshotFileName(directory));
 514
 515   MONITORINFO monitor_info = {};
 516   monitor_info.cbSize = sizeof(monitor_info);
 517   HMONITOR main_monitor = MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY);
 518   if (GetMonitorInfo(main_monitor, &monitor_info)) {
 519     RECT& rect = monitor_info.rcMonitor;
 520
 521     std::vector<unsigned char> png_data;
 522     gfx::Rect bounds(
 523         gfx::Size(rect.right - rect.left, rect.bottom - rect.top));
 524     if (ui::GrabDesktopSnapshot(bounds, &png_data) &&
 525         png_data.size() <= INT_MAX) {
 526       int bytes = static_cast<int>(png_data.size());
 527       int written = base::WriteFile(
 528           out_path, reinterpret_cast<char*>(&png_data[0]), bytes);
 529       succeeded = (written == bytes);
 530     }
 531   }
 532
 533   if (succeeded && screenshot_path != NULL)
 534     *screenshot_path = out_path;
 535
 536   return succeeded;
 537 }
 538
 539 bool SaveScreenSnapshotToDesktop(base::FilePath* screenshot_path) {
 540   base::FilePath desktop;
 541
 542   return PathService::Get(base::DIR_USER_DESKTOP, &desktop) &&
 543       SaveScreenSnapshotToDirectory(desktop, screenshot_path);
 544 }
 545
 546 #endif  // defined(OS_WIN)
 547
 548 void OverrideGeolocation(double latitude, double longitude) {
 549   content::Geoposition position;
 550   position.latitude = latitude;
 551   position.longitude = longitude;
 552   position.altitude = 0.;
 553   position.accuracy = 0.;
 554   position.timestamp = base::Time::Now();
 555   content::GeolocationProvider::GetInstance()->OverrideLocationForTesting(
 556       position);
 557 }
 558
 559 HistoryEnumerator::HistoryEnumerator(Profile* profile) {
 560   scoped_refptr<content::MessageLoopRunner> message_loop_runner =
 561       new content::MessageLoopRunner;
 562
 563   HistoryService* hs = HistoryServiceFactory::GetForProfile(
 564       profile, Profile::EXPLICIT_ACCESS);
 565   hs->QueryHistory(base::string16(),
 566                    history::QueryOptions(),
 567                    base::Bind(&HistoryEnumerator::HistoryQueryComplete,
 568                               base::Unretained(this),
 569                               message_loop_runner->QuitClosure()),
 570                    &tracker_);
 571   message_loop_runner->Run();
 572 }
 573
 574 HistoryEnumerator::~HistoryEnumerator() {}
 575
 576 void HistoryEnumerator::HistoryQueryComplete(
 577     const base::Closure& quit_task,
 578     history::QueryResults* results) {
 579   for (size_t i = 0; i < results->size(); ++i)
 580     urls_.push_back((*results)[i].url());
 581   quit_task.Run();
 582 }
 583
 584 }  // namespace ui_test_utils