content/browser/web_contents/web_contents_view_aura_browsertest.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 "content/browser/web_contents/web_contents_view_aura.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/test/test_timeouts.h"
  11 #include "base/values.h"
  12 #if defined(OS_WIN)
  13 #include "base/win/windows_version.h"
  14 #endif
  15 #include "content/browser/frame_host/navigation_controller_impl.h"
  16 #include "content/browser/frame_host/navigation_entry_impl.h"
  17 #include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
  18 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
  19 #include "content/browser/web_contents/web_contents_impl.h"
  20 #include "content/browser/web_contents/web_contents_view.h"
  21 #include "content/common/input/synthetic_web_input_event_builders.h"
  22 #include "content/common/input_messages.h"
  23 #include "content/common/view_messages.h"
  24 #include "content/public/browser/browser_message_filter.h"
  25 #include "content/public/browser/render_frame_host.h"
  26 #include "content/public/browser/web_contents_delegate.h"
  27 #include "content/public/browser/web_contents_observer.h"
  28 #include "content/public/common/content_switches.h"
  29 #include "content/public/test/browser_test_utils.h"
  30 #include "content/public/test/content_browser_test.h"
  31 #include "content/public/test/content_browser_test_utils.h"
  32 #include "content/public/test/test_renderer_host.h"
  33 #include "content/public/test/test_utils.h"
  34 #include "content/shell/browser/shell.h"
  35 #include "ui/aura/window.h"
  36 #include "ui/aura/window_tree_host.h"
  37 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
  38 #include "ui/events/event_processor.h"
  39 #include "ui/events/event_switches.h"
  40 #include "ui/events/event_utils.h"
  41 #include "ui/events/test/event_generator.h"
  42
  43 namespace {
  44
  45 // TODO(tdresser): Find a way to avoid sleeping like this. See crbug.com/405282
  46 // for details.
  47 void GiveItSomeTime() {
  48   base::RunLoop run_loop;
  49   base::MessageLoop::current()->PostDelayedTask(
  50       FROM_HERE,
  51       run_loop.QuitClosure(),
  52       base::TimeDelta::FromMillisecondsD(10));
  53   run_loop.Run();
  54 }
  55
  56 // WebContentsDelegate which tracks vertical overscroll updates.
  57 class VerticalOverscrollTracker : public content::WebContentsDelegate {
  58  public:
  59   VerticalOverscrollTracker() : count_(0), completed_(false) {}
  60   ~VerticalOverscrollTracker() override {}
  61
  62   int num_overscroll_updates() const {
  63     return count_;
  64   }
  65
  66   bool overscroll_completed() const {
  67     return completed_;
  68   }
  69
  70   void Reset() {
  71     count_ = 0;
  72     completed_ = false;
  73   }
  74
  75  private:
  76   bool CanOverscrollContent() const override { return true; }
  77
  78   void OverscrollUpdate(float delta_y) override { ++count_; }
  79
  80   void OverscrollComplete() override { completed_ = true; }
  81
  82   int count_;
  83   bool completed_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(VerticalOverscrollTracker);
  86 };
  87
  88 }  //namespace
  89
  90
  91 namespace content {
  92
  93 // This class keeps track of the RenderViewHost whose screenshot was captured.
  94 class ScreenshotTracker : public NavigationEntryScreenshotManager {
  95  public:
  96   explicit ScreenshotTracker(NavigationControllerImpl* controller)
  97       : NavigationEntryScreenshotManager(controller),
  98         screenshot_taken_for_(NULL),
  99         waiting_for_screenshots_(0) {
 100   }
 101
 102   ~ScreenshotTracker() override {}
 103
 104   RenderViewHost* screenshot_taken_for() { return screenshot_taken_for_; }
 105
 106   void Reset() {
 107     screenshot_taken_for_ = NULL;
 108     screenshot_set_.clear();
 109   }
 110
 111   void SetScreenshotInterval(int interval_ms) {
 112     SetMinScreenshotIntervalMS(interval_ms);
 113   }
 114
 115   void WaitUntilScreenshotIsReady() {
 116     if (!waiting_for_screenshots_)
 117       return;
 118     message_loop_runner_ = new content::MessageLoopRunner;
 119     message_loop_runner_->Run();
 120   }
 121
 122   bool ScreenshotSetForEntry(NavigationEntryImpl* entry) const {
 123     return screenshot_set_.count(entry) > 0;
 124   }
 125
 126  private:
 127   // Overridden from NavigationEntryScreenshotManager:
 128   void TakeScreenshotImpl(RenderViewHost* host,
 129                           NavigationEntryImpl* entry) override {
 130     ++waiting_for_screenshots_;
 131     screenshot_taken_for_ = host;
 132     NavigationEntryScreenshotManager::TakeScreenshotImpl(host, entry);
 133   }
 134
 135   void OnScreenshotSet(NavigationEntryImpl* entry) override {
 136     --waiting_for_screenshots_;
 137     screenshot_set_[entry] = true;
 138     NavigationEntryScreenshotManager::OnScreenshotSet(entry);
 139     if (waiting_for_screenshots_ == 0 && message_loop_runner_.get())
 140       message_loop_runner_->Quit();
 141   }
 142
 143   RenderViewHost* screenshot_taken_for_;
 144   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 145   int waiting_for_screenshots_;
 146   std::map<NavigationEntryImpl*, bool> screenshot_set_;
 147
 148   DISALLOW_COPY_AND_ASSIGN(ScreenshotTracker);
 149 };
 150
 151 class NavigationWatcher : public WebContentsObserver {
 152  public:
 153   explicit NavigationWatcher(WebContents* contents)
 154       : WebContentsObserver(contents),
 155         navigated_(false),
 156         should_quit_loop_(false) {
 157   }
 158
 159   ~NavigationWatcher() override {}
 160
 161   void WaitUntilNavigationStarts() {
 162     if (navigated_)
 163       return;
 164     should_quit_loop_ = true;
 165     base::MessageLoop::current()->Run();
 166   }
 167
 168  private:
 169   // Overridden from WebContentsObserver:
 170   void DidStartNavigationToPendingEntry(
 171       const GURL& validated_url,
 172       NavigationController::ReloadType reload_type) override {
 173     navigated_ = true;
 174     if (should_quit_loop_)
 175       base::MessageLoop::current()->Quit();
 176   }
 177
 178   bool navigated_;
 179   bool should_quit_loop_;
 180
 181   DISALLOW_COPY_AND_ASSIGN(NavigationWatcher);
 182 };
 183
 184 class InputEventMessageFilterWaitsForAcks : public BrowserMessageFilter {
 185  public:
 186   InputEventMessageFilterWaitsForAcks()
 187       : BrowserMessageFilter(InputMsgStart),
 188         type_(blink::WebInputEvent::Undefined),
 189         state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}
 190
 191   void WaitForAck(blink::WebInputEvent::Type type) {
 192     base::RunLoop run_loop;
 193     base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
 194     base::AutoReset<blink::WebInputEvent::Type> reset_type(&type_, type);
 195     run_loop.Run();
 196   }
 197
 198   InputEventAckState last_ack_state() const { return state_; }
 199
 200  protected:
 201   ~InputEventMessageFilterWaitsForAcks() override {}
 202
 203  private:
 204   void ReceivedEventAck(blink::WebInputEvent::Type type,
 205                         InputEventAckState state) {
 206     if (type_ == type) {
 207       state_ = state;
 208       quit_.Run();
 209     }
 210   }
 211
 212   // BrowserMessageFilter:
 213   bool OnMessageReceived(const IPC::Message& message) override {
 214     if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
 215       InputHostMsg_HandleInputEvent_ACK::Param params;
 216       InputHostMsg_HandleInputEvent_ACK::Read(&message, &params);
 217       blink::WebInputEvent::Type type = params.a.type;
 218       InputEventAckState ack = params.a.state;
 219       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 220           base::Bind(&InputEventMessageFilterWaitsForAcks::ReceivedEventAck,
 221                      this, type, ack));
 222     }
 223     return false;
 224   }
 225
 226   base::Closure quit_;
 227   blink::WebInputEvent::Type type_;
 228   InputEventAckState state_;
 229
 230   DISALLOW_COPY_AND_ASSIGN(InputEventMessageFilterWaitsForAcks);
 231 };
 232
 233 class WebContentsViewAuraTest : public ContentBrowserTest {
 234  public:
 235   WebContentsViewAuraTest()
 236       : screenshot_manager_(NULL) {
 237   }
 238
 239   // Executes the javascript synchronously and makes sure the returned value is
 240   // freed properly.
 241   void ExecuteSyncJSFunction(RenderFrameHost* rfh, const std::string& jscript) {
 242     scoped_ptr<base::Value> value =
 243         content::ExecuteScriptAndGetValue(rfh, jscript);
 244   }
 245
 246   // Starts the test server and navigates to the given url. Sets a large enough
 247   // size to the root window.  Returns after the navigation to the url is
 248   // complete.
 249   void StartTestWithPage(const std::string& url) {
 250     ASSERT_TRUE(test_server()->Start());
 251     GURL test_url(test_server()->GetURL(url));
 252     NavigateToURL(shell(), test_url);
 253
 254     WebContentsImpl* web_contents =
 255         static_cast<WebContentsImpl*>(shell()->web_contents());
 256     NavigationControllerImpl* controller = &web_contents->GetController();
 257
 258     screenshot_manager_ = new ScreenshotTracker(controller);
 259     controller->SetScreenshotManager(screenshot_manager_);
 260   }
 261
 262   void SetUpCommandLine(CommandLine* cmd) override {
 263     cmd->AppendSwitchASCII(switches::kTouchEvents,
 264                            switches::kTouchEventsEnabled);
 265   }
 266
 267   void TestOverscrollNavigation(bool touch_handler) {
 268     ASSERT_NO_FATAL_FAILURE(
 269         StartTestWithPage("files/overscroll_navigation.html"));
 270     WebContentsImpl* web_contents =
 271         static_cast<WebContentsImpl*>(shell()->web_contents());
 272     NavigationController& controller = web_contents->GetController();
 273     RenderFrameHost* main_frame = web_contents->GetMainFrame();
 274
 275     EXPECT_FALSE(controller.CanGoBack());
 276     EXPECT_FALSE(controller.CanGoForward());
 277     int index = -1;
 278     scoped_ptr<base::Value> value =
 279         content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 280     ASSERT_TRUE(value->GetAsInteger(&index));
 281     EXPECT_EQ(0, index);
 282
 283     if (touch_handler)
 284       ExecuteSyncJSFunction(main_frame, "install_touch_handler()");
 285
 286     ExecuteSyncJSFunction(main_frame, "navigate_next()");
 287     ExecuteSyncJSFunction(main_frame, "navigate_next()");
 288     value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 289     ASSERT_TRUE(value->GetAsInteger(&index));
 290     EXPECT_EQ(2, index);
 291     EXPECT_TRUE(controller.CanGoBack());
 292     EXPECT_FALSE(controller.CanGoForward());
 293
 294     aura::Window* content = web_contents->GetContentNativeView();
 295     gfx::Rect bounds = content->GetBoundsInRootWindow();
 296     ui::test::EventGenerator generator(content->GetRootWindow(), content);
 297     const int kScrollDurationMs = 20;
 298     const int kScrollSteps = 10;
 299
 300     {
 301       // Do a swipe-right now. That should navigate backwards.
 302       base::string16 expected_title = base::ASCIIToUTF16("Title: #1");
 303       content::TitleWatcher title_watcher(web_contents, expected_title);
 304       generator.GestureScrollSequence(
 305           gfx::Point(bounds.x() + 2, bounds.y() + 10),
 306           gfx::Point(bounds.right() - 10, bounds.y() + 10),
 307           base::TimeDelta::FromMilliseconds(kScrollDurationMs),
 308           kScrollSteps);
 309       base::string16 actual_title = title_watcher.WaitAndGetTitle();
 310       EXPECT_EQ(expected_title, actual_title);
 311       value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 312       ASSERT_TRUE(value->GetAsInteger(&index));
 313       EXPECT_EQ(1, index);
 314       EXPECT_TRUE(controller.CanGoBack());
 315       EXPECT_TRUE(controller.CanGoForward());
 316     }
 317
 318     {
 319       // Do a fling-right now. That should navigate backwards.
 320       base::string16 expected_title = base::ASCIIToUTF16("Title:");
 321       content::TitleWatcher title_watcher(web_contents, expected_title);
 322       generator.GestureScrollSequence(
 323           gfx::Point(bounds.x() + 2, bounds.y() + 10),
 324           gfx::Point(bounds.right() - 10, bounds.y() + 10),
 325           base::TimeDelta::FromMilliseconds(kScrollDurationMs),
 326           kScrollSteps);
 327       base::string16 actual_title = title_watcher.WaitAndGetTitle();
 328       EXPECT_EQ(expected_title, actual_title);
 329       value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 330       ASSERT_TRUE(value->GetAsInteger(&index));
 331       EXPECT_EQ(0, index);
 332       EXPECT_FALSE(controller.CanGoBack());
 333       EXPECT_TRUE(controller.CanGoForward());
 334     }
 335
 336     {
 337       // Do a swipe-left now. That should navigate forward.
 338       base::string16 expected_title = base::ASCIIToUTF16("Title: #1");
 339       content::TitleWatcher title_watcher(web_contents, expected_title);
 340       generator.GestureScrollSequence(
 341           gfx::Point(bounds.right() - 10, bounds.y() + 10),
 342           gfx::Point(bounds.x() + 2, bounds.y() + 10),
 343           base::TimeDelta::FromMilliseconds(kScrollDurationMs),
 344           kScrollSteps);
 345       base::string16 actual_title = title_watcher.WaitAndGetTitle();
 346       EXPECT_EQ(expected_title, actual_title);
 347       value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 348       ASSERT_TRUE(value->GetAsInteger(&index));
 349       EXPECT_EQ(1, index);
 350       EXPECT_TRUE(controller.CanGoBack());
 351       EXPECT_TRUE(controller.CanGoForward());
 352     }
 353   }
 354
 355   int GetCurrentIndex() {
 356     WebContentsImpl* web_contents =
 357         static_cast<WebContentsImpl*>(shell()->web_contents());
 358     RenderFrameHost* main_frame = web_contents->GetMainFrame();
 359     int index = -1;
 360     scoped_ptr<base::Value> value;
 361     value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 362     if (!value->GetAsInteger(&index))
 363       index = -1;
 364     return index;
 365   }
 366
 367   int ExecuteScriptAndExtractInt(const std::string& script) {
 368     int value = 0;
 369     EXPECT_TRUE(content::ExecuteScriptAndExtractInt(
 370         shell()->web_contents(),
 371         "domAutomationController.send(" + script + ")",
 372         &value));
 373     return value;
 374   }
 375
 376   RenderViewHost* GetRenderViewHost() const {
 377     RenderViewHost* const rvh = shell()->web_contents()->GetRenderViewHost();
 378     CHECK(rvh);
 379     return rvh;
 380   }
 381
 382   RenderWidgetHostImpl* GetRenderWidgetHost() const {
 383     RenderWidgetHostImpl* const rwh =
 384         RenderWidgetHostImpl::From(shell()
 385                                        ->web_contents()
 386                                        ->GetRenderWidgetHostView()
 387                                        ->GetRenderWidgetHost());
 388     CHECK(rwh);
 389     return rwh;
 390   }
 391
 392   RenderWidgetHostViewBase* GetRenderWidgetHostView() const {
 393     return static_cast<RenderWidgetHostViewBase*>(
 394         GetRenderViewHost()->GetView());
 395   }
 396
 397   InputEventMessageFilterWaitsForAcks* filter() {
 398     return filter_.get();
 399   }
 400
 401   void WaitAFrame() {
 402     uint32 frame = GetRenderWidgetHostView()->RendererFrameNumber();
 403     while (!GetRenderWidgetHost()->ScheduleComposite())
 404       GiveItSomeTime();
 405     while (GetRenderWidgetHostView()->RendererFrameNumber() == frame)
 406       GiveItSomeTime();
 407   }
 408
 409  protected:
 410   ScreenshotTracker* screenshot_manager() { return screenshot_manager_; }
 411   void set_min_screenshot_interval(int interval_ms) {
 412     screenshot_manager_->SetScreenshotInterval(interval_ms);
 413   }
 414
 415   void AddInputEventMessageFilter() {
 416     filter_ = new InputEventMessageFilterWaitsForAcks();
 417     GetRenderWidgetHost()->GetProcess()->AddFilter(filter_.get());
 418   }
 419
 420  private:
 421   ScreenshotTracker* screenshot_manager_;
 422   scoped_refptr<InputEventMessageFilterWaitsForAcks> filter_;
 423
 424   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAuraTest);
 425 };
 426
 427 // Flaky on Windows: http://crbug.com/305722
 428 #if defined(OS_WIN)
 429 #define MAYBE_OverscrollNavigation DISABLED_OverscrollNavigation
 430 #else
 431 #define MAYBE_OverscrollNavigation OverscrollNavigation
 432 #endif
 433
 434 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollNavigation) {
 435   TestOverscrollNavigation(false);
 436 }
 437
 438 // Flaky on Windows (might be related to the above test):
 439 // http://crbug.com/305722
 440 #if defined(OS_WIN)
 441 #define MAYBE_OverscrollNavigationWithTouchHandler \
 442         DISABLED_OverscrollNavigationWithTouchHandler
 443 #else
 444 #define MAYBE_OverscrollNavigationWithTouchHandler \
 445         OverscrollNavigationWithTouchHandler
 446 #endif
 447 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 448                        MAYBE_OverscrollNavigationWithTouchHandler) {
 449   TestOverscrollNavigation(true);
 450 }
 451
 452 // Disabled because the test always fails the first time it runs on the Win Aura
 453 // bots, and usually but not always passes second-try (See crbug.com/179532).
 454 #if defined(OS_WIN)
 455 #define MAYBE_QuickOverscrollDirectionChange \
 456         DISABLED_QuickOverscrollDirectionChange
 457 #else
 458 #define MAYBE_QuickOverscrollDirectionChange QuickOverscrollDirectionChange
 459 #endif
 460 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 461                        MAYBE_QuickOverscrollDirectionChange) {
 462   ASSERT_NO_FATAL_FAILURE(
 463       StartTestWithPage("files/overscroll_navigation.html"));
 464   WebContentsImpl* web_contents =
 465       static_cast<WebContentsImpl*>(shell()->web_contents());
 466   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 467
 468   // This test triggers a large number of animations. Speed them up to ensure
 469   // the test completes within its time limit.
 470   ui::ScopedAnimationDurationScaleMode fast_duration_mode(
 471       ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
 472
 473   // Make sure the page has both back/forward history.
 474   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 475   EXPECT_EQ(1, GetCurrentIndex());
 476   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 477   EXPECT_EQ(2, GetCurrentIndex());
 478   web_contents->GetController().GoBack();
 479   EXPECT_EQ(1, GetCurrentIndex());
 480
 481   aura::Window* content = web_contents->GetContentNativeView();
 482   ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
 483   gfx::Rect bounds = content->GetBoundsInRootWindow();
 484
 485   base::TimeDelta timestamp = ui::EventTimeForNow();
 486   ui::TouchEvent press(ui::ET_TOUCH_PRESSED,
 487       gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 488       0, timestamp);
 489   ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
 490   ASSERT_FALSE(details.dispatcher_destroyed);
 491   EXPECT_EQ(1, GetCurrentIndex());
 492
 493   timestamp += base::TimeDelta::FromMilliseconds(10);
 494   ui::TouchEvent move1(ui::ET_TOUCH_MOVED,
 495       gfx::Point(bounds.right() - 10, bounds.y() + 5),
 496       0, timestamp);
 497   details = dispatcher->OnEventFromSource(&move1);
 498   ASSERT_FALSE(details.dispatcher_destroyed);
 499   EXPECT_EQ(1, GetCurrentIndex());
 500
 501   // Swipe back from the right edge, back to the left edge, back to the right
 502   // edge.
 503
 504   for (int x = bounds.right() - 10; x >= bounds.x() + 10; x-= 10) {
 505     timestamp += base::TimeDelta::FromMilliseconds(10);
 506     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 507         gfx::Point(x, bounds.y() + 5),
 508         0, timestamp);
 509     details = dispatcher->OnEventFromSource(&inc);
 510     ASSERT_FALSE(details.dispatcher_destroyed);
 511     EXPECT_EQ(1, GetCurrentIndex());
 512   }
 513
 514   for (int x = bounds.x() + 10; x <= bounds.width() - 10; x+= 10) {
 515     timestamp += base::TimeDelta::FromMilliseconds(10);
 516     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 517         gfx::Point(x, bounds.y() + 5),
 518         0, timestamp);
 519     details = dispatcher->OnEventFromSource(&inc);
 520     ASSERT_FALSE(details.dispatcher_destroyed);
 521     EXPECT_EQ(1, GetCurrentIndex());
 522   }
 523
 524   for (int x = bounds.width() - 10; x >= bounds.x() + 10; x-= 10) {
 525     timestamp += base::TimeDelta::FromMilliseconds(10);
 526     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 527         gfx::Point(x, bounds.y() + 5),
 528         0, timestamp);
 529     details = dispatcher->OnEventFromSource(&inc);
 530     ASSERT_FALSE(details.dispatcher_destroyed);
 531     EXPECT_EQ(1, GetCurrentIndex());
 532   }
 533
 534   // Do not end the overscroll sequence.
 535 }
 536
 537 // Tests that the page has has a screenshot when navigation happens:
 538 //  - from within the page (from a JS function)
 539 //  - interactively, when user does an overscroll gesture
 540 //  - interactively, when user navigates in history without the overscroll
 541 //    gesture.
 542 // Flaky on Windows (http://crbug.com/357311). Might be related to
 543 // OverscrollNavigation test.
 544 // Flaky on Ozone (http://crbug.com/399676).
 545 // Flaky on ChromeOS (http://crbug.com/405945).
 546 #if defined(OS_WIN) || defined(USE_OZONE) || defined(OS_CHROMEOS)
 547 #define MAYBE_OverscrollScreenshot DISABLED_OverscrollScreenshot
 548 #else
 549 #define MAYBE_OverscrollScreenshot OverscrollScreenshot
 550 #endif
 551 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollScreenshot) {
 552   // Disable the test for WinXP.  See http://crbug/294116.
 553 #if defined(OS_WIN)
 554   if (base::win::GetVersion() < base::win::VERSION_VISTA) {
 555     LOG(WARNING) << "Test disabled due to unknown bug on WinXP.";
 556     return;
 557   }
 558 #endif
 559
 560   ASSERT_NO_FATAL_FAILURE(
 561       StartTestWithPage("files/overscroll_navigation.html"));
 562   WebContentsImpl* web_contents =
 563       static_cast<WebContentsImpl*>(shell()->web_contents());
 564   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 565
 566   set_min_screenshot_interval(0);
 567
 568   // Do a few navigations initiated by the page.
 569   // Screenshots should never be captured since these are all in-page
 570   // navigations.
 571   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 572   EXPECT_EQ(1, GetCurrentIndex());
 573   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 574   EXPECT_EQ(2, GetCurrentIndex());
 575   screenshot_manager()->WaitUntilScreenshotIsReady();
 576
 577   NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
 578       web_contents->GetController().GetEntryAtIndex(2));
 579   EXPECT_FALSE(entry->screenshot().get());
 580
 581   entry = NavigationEntryImpl::FromNavigationEntry(
 582       web_contents->GetController().GetEntryAtIndex(1));
 583   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 584
 585   entry = NavigationEntryImpl::FromNavigationEntry(
 586       web_contents->GetController().GetEntryAtIndex(0));
 587   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 588
 589   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 590   screenshot_manager()->WaitUntilScreenshotIsReady();
 591
 592   entry = NavigationEntryImpl::FromNavigationEntry(
 593       web_contents->GetController().GetEntryAtIndex(2));
 594   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 595
 596   entry = NavigationEntryImpl::FromNavigationEntry(
 597       web_contents->GetController().GetEntryAtIndex(3));
 598   EXPECT_FALSE(entry->screenshot().get());
 599   {
 600     // Now, swipe right to navigate backwards. This should navigate away from
 601     // index 3 to index 2.
 602     base::string16 expected_title = base::ASCIIToUTF16("Title: #2");
 603     content::TitleWatcher title_watcher(web_contents, expected_title);
 604     aura::Window* content = web_contents->GetContentNativeView();
 605     gfx::Rect bounds = content->GetBoundsInRootWindow();
 606     ui::test::EventGenerator generator(content->GetRootWindow(), content);
 607     generator.GestureScrollSequence(
 608         gfx::Point(bounds.x() + 2, bounds.y() + 10),
 609         gfx::Point(bounds.right() - 10, bounds.y() + 10),
 610         base::TimeDelta::FromMilliseconds(20),
 611         1);
 612     base::string16 actual_title = title_watcher.WaitAndGetTitle();
 613     EXPECT_EQ(expected_title, actual_title);
 614     EXPECT_EQ(2, GetCurrentIndex());
 615     screenshot_manager()->WaitUntilScreenshotIsReady();
 616     entry = NavigationEntryImpl::FromNavigationEntry(
 617         web_contents->GetController().GetEntryAtIndex(3));
 618     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 619   }
 620
 621   // Navigate a couple more times.
 622   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 623   EXPECT_EQ(3, GetCurrentIndex());
 624   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 625   EXPECT_EQ(4, GetCurrentIndex());
 626   screenshot_manager()->WaitUntilScreenshotIsReady();
 627   entry = NavigationEntryImpl::FromNavigationEntry(
 628       web_contents->GetController().GetEntryAtIndex(4));
 629   EXPECT_FALSE(entry->screenshot().get());
 630
 631   {
 632     // Navigate back in history.
 633     base::string16 expected_title = base::ASCIIToUTF16("Title: #3");
 634     content::TitleWatcher title_watcher(web_contents, expected_title);
 635     web_contents->GetController().GoBack();
 636     base::string16 actual_title = title_watcher.WaitAndGetTitle();
 637     EXPECT_EQ(expected_title, actual_title);
 638     EXPECT_EQ(3, GetCurrentIndex());
 639     screenshot_manager()->WaitUntilScreenshotIsReady();
 640     entry = NavigationEntryImpl::FromNavigationEntry(
 641         web_contents->GetController().GetEntryAtIndex(4));
 642     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 643   }
 644 }
 645
 646 // Crashes under ThreadSanitizer, http://crbug.com/356758.
 647 #if defined(THREAD_SANITIZER)
 648 #define MAYBE_ScreenshotForSwappedOutRenderViews \
 649     DISABLED_ScreenshotForSwappedOutRenderViews
 650 #else
 651 #define MAYBE_ScreenshotForSwappedOutRenderViews \
 652     ScreenshotForSwappedOutRenderViews
 653 #endif
 654 // Tests that screenshot is taken correctly when navigation causes a
 655 // RenderViewHost to be swapped out.
 656 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 657                        MAYBE_ScreenshotForSwappedOutRenderViews) {
 658   ASSERT_NO_FATAL_FAILURE(
 659       StartTestWithPage("files/overscroll_navigation.html"));
 660   // Create a new server with a different site.
 661   net::SpawnedTestServer https_server(
 662       net::SpawnedTestServer::TYPE_HTTPS,
 663       net::SpawnedTestServer::kLocalhost,
 664       base::FilePath(FILE_PATH_LITERAL("content/test/data")));
 665   ASSERT_TRUE(https_server.Start());
 666
 667   WebContentsImpl* web_contents =
 668       static_cast<WebContentsImpl*>(shell()->web_contents());
 669   set_min_screenshot_interval(0);
 670
 671   struct {
 672     GURL url;
 673     int transition;
 674   } navigations[] = {
 675     { https_server.GetURL("files/title1.html"),
 676       ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR },
 677     { test_server()->GetURL("files/title2.html"),
 678       ui::PAGE_TRANSITION_AUTO_BOOKMARK },
 679     { https_server.GetURL("files/title3.html"),
 680       ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR },
 681     { GURL(), 0 }
 682   };
 683
 684   screenshot_manager()->Reset();
 685   for (int i = 0; !navigations[i].url.is_empty(); ++i) {
 686     // Navigate via the user initiating a navigation from the UI.
 687     NavigationController::LoadURLParams params(navigations[i].url);
 688     params.transition_type =
 689         ui::PageTransitionFromInt(navigations[i].transition);
 690
 691     RenderViewHost* old_host = web_contents->GetRenderViewHost();
 692     web_contents->GetController().LoadURLWithParams(params);
 693     WaitForLoadStop(web_contents);
 694     screenshot_manager()->WaitUntilScreenshotIsReady();
 695
 696     EXPECT_NE(old_host, web_contents->GetRenderViewHost())
 697         << navigations[i].url.spec();
 698     EXPECT_EQ(old_host, screenshot_manager()->screenshot_taken_for());
 699
 700     NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
 701         web_contents->GetController().GetEntryAtOffset(-1));
 702     EXPECT_TRUE(screenshot_manager()->ScreenshotSetForEntry(entry));
 703
 704     entry = NavigationEntryImpl::FromNavigationEntry(
 705         web_contents->GetController().GetLastCommittedEntry());
 706     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 707     EXPECT_FALSE(entry->screenshot().get());
 708     screenshot_manager()->Reset();
 709   }
 710
 711   // Increase the minimum interval between taking screenshots.
 712   set_min_screenshot_interval(60000);
 713
 714   // Navigate again. This should not take any screenshot because of the
 715   // increased screenshot interval.
 716   NavigationController::LoadURLParams params(navigations[0].url);
 717   params.transition_type = ui::PageTransitionFromInt(navigations[0].transition);
 718   web_contents->GetController().LoadURLWithParams(params);
 719   WaitForLoadStop(web_contents);
 720   screenshot_manager()->WaitUntilScreenshotIsReady();
 721
 722   EXPECT_EQ(NULL, screenshot_manager()->screenshot_taken_for());
 723 }
 724
 725 // Tests that navigations resulting from reloads, history.replaceState,
 726 // and history.pushState do not capture screenshots.
 727 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ReplaceStateReloadPushState) {
 728   ASSERT_NO_FATAL_FAILURE(
 729       StartTestWithPage("files/overscroll_navigation.html"));
 730   WebContentsImpl* web_contents =
 731       static_cast<WebContentsImpl*>(shell()->web_contents());
 732   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 733
 734   set_min_screenshot_interval(0);
 735   screenshot_manager()->Reset();
 736   ExecuteSyncJSFunction(main_frame, "use_replace_state()");
 737   screenshot_manager()->WaitUntilScreenshotIsReady();
 738   // history.replaceState shouldn't capture a screenshot
 739   EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 740   screenshot_manager()->Reset();
 741   web_contents->GetController().Reload(true);
 742   WaitForLoadStop(web_contents);
 743   // reloading the page shouldn't capture a screenshot
 744   // TODO (mfomitchev): currently broken. Uncomment when
 745   // FrameHostMsg_DidCommitProvisionalLoad_Params.was_within_same_page
 746   // is populated properly when reloading the page.
 747   //EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 748   screenshot_manager()->Reset();
 749   ExecuteSyncJSFunction(main_frame, "use_push_state()");
 750   screenshot_manager()->WaitUntilScreenshotIsReady();
 751   // pushing a state shouldn't capture a screenshot
 752   // TODO (mfomitchev): currently broken. Uncomment when
 753   // FrameHostMsg_DidCommitProvisionalLoad_Params.was_within_same_page
 754   // is populated properly when pushState is used.
 755   //EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 756 }
 757
 758 // TODO(sadrul): This test is disabled because it reparents in a way the
 759 //               FocusController does not support. This code would crash in
 760 //               a production build. It only passed prior to this revision
 761 //               because testing used the old FocusManager which did some
 762 //               different (osbolete) processing. TODO(sadrul) to figure out
 763 //               how this test should work that mimics production code a bit
 764 //               better.
 765 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 766                        DISABLED_ContentWindowReparent) {
 767   ASSERT_NO_FATAL_FAILURE(
 768       StartTestWithPage("files/overscroll_navigation.html"));
 769
 770   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 771   window->Init(aura::WINDOW_LAYER_NOT_DRAWN);
 772
 773   WebContentsImpl* web_contents =
 774       static_cast<WebContentsImpl*>(shell()->web_contents());
 775   ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 776   EXPECT_EQ(1, GetCurrentIndex());
 777
 778   aura::Window* content = web_contents->GetContentNativeView();
 779   gfx::Rect bounds = content->GetBoundsInRootWindow();
 780   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 781   generator.GestureScrollSequence(
 782       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 783       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 784       base::TimeDelta::FromMilliseconds(20),
 785       1);
 786
 787   window->AddChild(shell()->web_contents()->GetContentNativeView());
 788 }
 789
 790 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ContentWindowClose) {
 791   ASSERT_NO_FATAL_FAILURE(
 792       StartTestWithPage("files/overscroll_navigation.html"));
 793
 794   WebContentsImpl* web_contents =
 795       static_cast<WebContentsImpl*>(shell()->web_contents());
 796   ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 797   EXPECT_EQ(1, GetCurrentIndex());
 798
 799   aura::Window* content = web_contents->GetContentNativeView();
 800   gfx::Rect bounds = content->GetBoundsInRootWindow();
 801   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 802   generator.GestureScrollSequence(
 803       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 804       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 805       base::TimeDelta::FromMilliseconds(20),
 806       1);
 807
 808   delete web_contents->GetContentNativeView();
 809 }
 810
 811
 812 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 813 // This appears to be flaky in the same was as the other overscroll
 814 // tests. Enabling for non-Windows platforms.
 815 // See http://crbug.com/369871.
 816 // For linux, see http://crbug.com/381294
 817 #define MAYBE_RepeatedQuickOverscrollGestures DISABLED_RepeatedQuickOverscrollGestures
 818 #else
 819 #define MAYBE_RepeatedQuickOverscrollGestures RepeatedQuickOverscrollGestures
 820 #endif
 821
 822 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 823                        MAYBE_RepeatedQuickOverscrollGestures) {
 824   ASSERT_NO_FATAL_FAILURE(
 825       StartTestWithPage("files/overscroll_navigation.html"));
 826
 827   WebContentsImpl* web_contents =
 828       static_cast<WebContentsImpl*>(shell()->web_contents());
 829   NavigationController& controller = web_contents->GetController();
 830   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 831   ExecuteSyncJSFunction(main_frame, "install_touch_handler()");
 832
 833   // Navigate twice, then navigate back in history once.
 834   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 835   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 836   EXPECT_EQ(2, GetCurrentIndex());
 837   EXPECT_TRUE(controller.CanGoBack());
 838   EXPECT_FALSE(controller.CanGoForward());
 839
 840   web_contents->GetController().GoBack();
 841   WaitForLoadStop(web_contents);
 842   EXPECT_EQ(1, GetCurrentIndex());
 843   EXPECT_EQ(base::ASCIIToUTF16("Title: #1"), web_contents->GetTitle());
 844   EXPECT_TRUE(controller.CanGoBack());
 845   EXPECT_TRUE(controller.CanGoForward());
 846
 847   aura::Window* content = web_contents->GetContentNativeView();
 848   gfx::Rect bounds = content->GetBoundsInRootWindow();
 849   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 850
 851   // Do a swipe left to start a forward navigation. Then quickly do a swipe
 852   // right.
 853   base::string16 expected_title = base::ASCIIToUTF16("Title: #2");
 854   content::TitleWatcher title_watcher(web_contents, expected_title);
 855   NavigationWatcher nav_watcher(web_contents);
 856
 857   generator.GestureScrollSequence(
 858       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 859       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 860       base::TimeDelta::FromMilliseconds(2000),
 861       10);
 862   nav_watcher.WaitUntilNavigationStarts();
 863
 864   generator.GestureScrollSequence(
 865       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 866       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 867       base::TimeDelta::FromMilliseconds(2000),
 868       10);
 869   base::string16 actual_title = title_watcher.WaitAndGetTitle();
 870   EXPECT_EQ(expected_title, actual_title);
 871
 872   EXPECT_EQ(2, GetCurrentIndex());
 873   EXPECT_TRUE(controller.CanGoBack());
 874   EXPECT_FALSE(controller.CanGoForward());
 875 }
 876
 877 // Verify that hiding a parent of the renderer will hide the content too.
 878 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, HideContentOnParenHide) {
 879   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("files/title1.html"));
 880   WebContentsImpl* web_contents =
 881       static_cast<WebContentsImpl*>(shell()->web_contents());
 882   aura::Window* content = web_contents->GetNativeView()->parent();
 883   EXPECT_TRUE(web_contents->should_normally_be_visible());
 884   content->Hide();
 885   EXPECT_FALSE(web_contents->should_normally_be_visible());
 886   content->Show();
 887   EXPECT_TRUE(web_contents->should_normally_be_visible());
 888 }
 889
 890 // Ensure that SnapToPhysicalPixelBoundary() is called on WebContentsView parent
 891 // change. This is a regression test for http://crbug.com/388908.
 892 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, WebContentsViewReparent) {
 893   ASSERT_NO_FATAL_FAILURE(
 894       StartTestWithPage("files/overscroll_navigation.html"));
 895
 896   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 897   window->Init(aura::WINDOW_LAYER_NOT_DRAWN);
 898
 899   RenderWidgetHostViewAura* rwhva =
 900       static_cast<RenderWidgetHostViewAura*>(
 901           shell()->web_contents()->GetRenderWidgetHostView());
 902   rwhva->ResetHasSnappedToBoundary();
 903   EXPECT_FALSE(rwhva->has_snapped_to_boundary());
 904   window->AddChild(shell()->web_contents()->GetNativeView());
 905   EXPECT_TRUE(rwhva->has_snapped_to_boundary());
 906 }
 907
 908 // Flaky on some platforms, likely for the same reason as other flaky overscroll
 909 // tests. http://crbug.com/305722
 910 // TODO(tdresser): Re-enable this once eager GR is back on. See
 911 // crbug.com/410280.
 912 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 913 #define MAYBE_OverscrollNavigationTouchThrottling \
 914         DISABLED_OverscrollNavigationTouchThrottling
 915 #else
 916 #define MAYBE_OverscrollNavigationTouchThrottling \
 917         DISABLED_OverscrollNavigationTouchThrottling
 918 #endif
 919
 920 // Tests that touch moves are not throttled when performing a scroll gesture on
 921 // a non-scrollable area, except during gesture-nav.
 922 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 923                        MAYBE_OverscrollNavigationTouchThrottling) {
 924   ASSERT_NO_FATAL_FAILURE(
 925       StartTestWithPage("files/overscroll_navigation.html"));
 926
 927   AddInputEventMessageFilter();
 928
 929   WebContentsImpl* web_contents =
 930       static_cast<WebContentsImpl*>(shell()->web_contents());
 931   aura::Window* content = web_contents->GetContentNativeView();
 932   gfx::Rect bounds = content->GetBoundsInRootWindow();
 933   const int dx = 20;
 934
 935   ExecuteSyncJSFunction(web_contents->GetMainFrame(),
 936                         "install_touchmove_handler()");
 937
 938   WaitAFrame();
 939
 940   for (int navigated = 0; navigated <= 1; ++navigated) {
 941     if (navigated) {
 942       ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 943       ExecuteSyncJSFunction(web_contents->GetMainFrame(),
 944                             "reset_touchmove_count()");
 945     }
 946     // Send touch press.
 947     SyntheticWebTouchEvent touch;
 948     touch.PressPoint(bounds.x() + 2, bounds.y() + 10);
 949     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 950                                                             ui::LatencyInfo());
 951     filter()->WaitForAck(blink::WebInputEvent::TouchStart);
 952     WaitAFrame();
 953
 954     // Assert on the ack, because we'll end up waiting for acks that will never
 955     // come if this is not true.
 956     ASSERT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 957
 958     // Send first touch move, and then a scroll begin.
 959     touch.MovePoint(0, bounds.x() + 20 + 1 * dx, bounds.y() + 100);
 960     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 961                                                             ui::LatencyInfo());
 962     filter()->WaitForAck(blink::WebInputEvent::TouchMove);
 963     ASSERT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 964
 965     blink::WebGestureEvent scroll_begin =
 966         SyntheticWebGestureEventBuilder::BuildScrollBegin(1, 1);
 967     GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 968         scroll_begin, ui::LatencyInfo());
 969     // Scroll begin ignores ack disposition, so don't wait for the ack.
 970     WaitAFrame();
 971
 972     // First touchmove already sent, start at 2.
 973     for (int i = 2; i <= 10; ++i) {
 974       // Send a touch move, followed by a scroll update
 975       touch.MovePoint(0, bounds.x() + 20 + i * dx, bounds.y() + 100);
 976       GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(
 977           touch, ui::LatencyInfo());
 978       WaitAFrame();
 979
 980       blink::WebGestureEvent scroll_update =
 981           SyntheticWebGestureEventBuilder::BuildScrollUpdate(dx, 5, 0);
 982
 983       GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 984           scroll_update, ui::LatencyInfo());
 985
 986       WaitAFrame();
 987     }
 988
 989     touch.ReleasePoint(0);
 990     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 991                                                             ui::LatencyInfo());
 992     WaitAFrame();
 993
 994     blink::WebGestureEvent scroll_end;
 995     scroll_end.type = blink::WebInputEvent::GestureScrollEnd;
 996     GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 997         scroll_end, ui::LatencyInfo());
 998     WaitAFrame();
 999
1000     if (!navigated)
1001       EXPECT_EQ(10, ExecuteScriptAndExtractInt("touchmoveCount"));
1002     else
1003       EXPECT_GT(10, ExecuteScriptAndExtractInt("touchmoveCount"));
1004   }
1005 }
1006
1007 // Test that vertical overscroll updates are sent only when a user overscrolls
1008 // vertically.
1009 #if defined(OS_WIN)
1010 #define MAYBE_VerticalOverscroll DISABLED_VerticalOverscroll
1011 #else
1012 #define MAYBE_VerticalOverscroll VerticalOverscroll
1013 #endif
1014
1015 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_VerticalOverscroll) {
1016   base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
1017       switches::kScrollEndEffect, "1");
1018
1019   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("about:blank"));
1020   WebContentsImpl* web_contents =
1021       static_cast<WebContentsImpl*>(shell()->web_contents());
1022   VerticalOverscrollTracker tracker;
1023   web_contents->SetDelegate(&tracker);
1024
1025   // This test triggers a large number of animations. Speed them up to ensure
1026   // the test completes within its time limit.
1027   ui::ScopedAnimationDurationScaleMode fast_duration_mode(
1028       ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
1029
1030   aura::Window* content = web_contents->GetContentNativeView();
1031   ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
1032   gfx::Rect bounds = content->GetBoundsInRootWindow();
1033
1034   // Overscroll horizontally.
1035   {
1036     int kXStep = bounds.width() / 10;
1037     gfx::Point location(bounds.right() - kXStep, bounds.y() + 5);
1038     base::TimeDelta timestamp = ui::EventTimeForNow();
1039     ui::TouchEvent press(
1040         ui::ET_TOUCH_PRESSED,
1041         location,
1042         0,
1043         timestamp);
1044     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1045     ASSERT_FALSE(details.dispatcher_destroyed);
1046     WaitAFrame();
1047     location -= gfx::Vector2d(kXStep, 0);
1048     timestamp += base::TimeDelta::FromMilliseconds(10);
1049
1050     while (location.x() > bounds.x() + kXStep) {
1051       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1052       details = dispatcher->OnEventFromSource(&inc);
1053       ASSERT_FALSE(details.dispatcher_destroyed);
1054       WaitAFrame();
1055       location -= gfx::Vector2d(10, 0);
1056       timestamp += base::TimeDelta::FromMilliseconds(10);
1057     }
1058
1059     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1060     details = dispatcher->OnEventFromSource(&press);
1061     ASSERT_FALSE(details.dispatcher_destroyed);
1062     WaitAFrame();
1063
1064     EXPECT_EQ(0, tracker.num_overscroll_updates());
1065     EXPECT_FALSE(tracker.overscroll_completed());
1066   }
1067
1068   // Overscroll vertically.
1069   {
1070     tracker.Reset();
1071
1072     int kYStep = bounds.height() / 10;
1073     gfx::Point location(bounds.x() + 10, bounds.y() + kYStep);
1074     base::TimeDelta timestamp = ui::EventTimeForNow();
1075     ui::TouchEvent press(
1076         ui::ET_TOUCH_PRESSED,
1077         location,
1078         0,
1079         timestamp);
1080     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1081     ASSERT_FALSE(details.dispatcher_destroyed);
1082     WaitAFrame();
1083     location += gfx::Vector2d(0, kYStep);
1084     timestamp += base::TimeDelta::FromMilliseconds(10);
1085
1086     while (location.y() < bounds.bottom() - kYStep) {
1087       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1088       details = dispatcher->OnEventFromSource(&inc);
1089       ASSERT_FALSE(details.dispatcher_destroyed);
1090       WaitAFrame();
1091       location += gfx::Vector2d(0, kYStep);
1092       timestamp += base::TimeDelta::FromMilliseconds(10);
1093     }
1094
1095     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1096     details = dispatcher->OnEventFromSource(&release);
1097     ASSERT_FALSE(details.dispatcher_destroyed);
1098     WaitAFrame();
1099
1100     EXPECT_LT(0, tracker.num_overscroll_updates());
1101     EXPECT_TRUE(tracker.overscroll_completed());
1102   }
1103
1104   // Start out overscrolling vertically, then switch directions and finish
1105   // overscrolling horizontally.
1106   {
1107     tracker.Reset();
1108
1109     int kXStep = bounds.width() / 10;
1110     int kYStep = bounds.height() / 10;
1111     gfx::Point location = bounds.origin() + gfx::Vector2d(0, kYStep);
1112     base::TimeDelta timestamp = ui::EventTimeForNow();
1113     ui::TouchEvent press(
1114         ui::ET_TOUCH_PRESSED,
1115         location,
1116         0,
1117         timestamp);
1118     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1119     ASSERT_FALSE(details.dispatcher_destroyed);
1120     WaitAFrame();
1121     location += gfx::Vector2d(0, kYStep);
1122     timestamp += base::TimeDelta::FromMilliseconds(10);
1123
1124     for (size_t i = 0; i < 3; ++i) {
1125       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1126       details = dispatcher->OnEventFromSource(&inc);
1127       ASSERT_FALSE(details.dispatcher_destroyed);
1128       WaitAFrame();
1129       location += gfx::Vector2d(0, kYStep);
1130       timestamp += base::TimeDelta::FromMilliseconds(10);
1131     }
1132
1133     while (location.x() < bounds.right() - kXStep) {
1134       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1135       details = dispatcher->OnEventFromSource(&inc);
1136       ASSERT_FALSE(details.dispatcher_destroyed);
1137       WaitAFrame();
1138       location += gfx::Vector2d(kXStep, 0);
1139       timestamp += base::TimeDelta::FromMilliseconds(10);
1140     }
1141
1142     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1143     details = dispatcher->OnEventFromSource(&release);
1144     ASSERT_FALSE(details.dispatcher_destroyed);
1145     WaitAFrame();
1146
1147     EXPECT_LT(0, tracker.num_overscroll_updates());
1148     EXPECT_FALSE(tracker.overscroll_completed());
1149   }
1150 }
1151
1152 }  // namespace content