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 = get<0>(params).type;
 218       InputEventAckState ack = get<0>(params).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(base::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 // The test frequently times out on Linux, too. See crbug.com/440043.
 429 #if defined(OS_WIN) || defined(OS_LINUX)
 430 #define MAYBE_OverscrollNavigation DISABLED_OverscrollNavigation
 431 #else
 432 #define MAYBE_OverscrollNavigation OverscrollNavigation
 433 #endif
 434
 435 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollNavigation) {
 436   TestOverscrollNavigation(false);
 437 }
 438
 439 // Flaky on Windows (might be related to the above test):
 440 // http://crbug.com/305722
 441 // On Linux, the test frequently times out. (See crbug.com/440043).
 442 #if defined(OS_WIN) || defined(OS_LINUX)
 443 #define MAYBE_OverscrollNavigationWithTouchHandler \
 444         DISABLED_OverscrollNavigationWithTouchHandler
 445 #else
 446 #define MAYBE_OverscrollNavigationWithTouchHandler \
 447         OverscrollNavigationWithTouchHandler
 448 #endif
 449 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 450                        MAYBE_OverscrollNavigationWithTouchHandler) {
 451   TestOverscrollNavigation(true);
 452 }
 453
 454 // Disabled because the test always fails the first time it runs on the Win Aura
 455 // bots, and usually but not always passes second-try (See crbug.com/179532).
 456 // On Linux, the test frequently times out. (See crbug.com/440043).
 457 #if defined(OS_WIN) || defined(OS_LINUX)
 458 #define MAYBE_QuickOverscrollDirectionChange \
 459         DISABLED_QuickOverscrollDirectionChange
 460 #else
 461 #define MAYBE_QuickOverscrollDirectionChange QuickOverscrollDirectionChange
 462 #endif
 463 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 464                        MAYBE_QuickOverscrollDirectionChange) {
 465   ASSERT_NO_FATAL_FAILURE(
 466       StartTestWithPage("files/overscroll_navigation.html"));
 467   WebContentsImpl* web_contents =
 468       static_cast<WebContentsImpl*>(shell()->web_contents());
 469   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 470
 471   // This test triggers a large number of animations. Speed them up to ensure
 472   // the test completes within its time limit.
 473   ui::ScopedAnimationDurationScaleMode fast_duration_mode(
 474       ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
 475
 476   // Make sure the page has both back/forward history.
 477   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 478   EXPECT_EQ(1, GetCurrentIndex());
 479   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 480   EXPECT_EQ(2, GetCurrentIndex());
 481   web_contents->GetController().GoBack();
 482   EXPECT_EQ(1, GetCurrentIndex());
 483
 484   aura::Window* content = web_contents->GetContentNativeView();
 485   ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
 486   gfx::Rect bounds = content->GetBoundsInRootWindow();
 487
 488   base::TimeDelta timestamp = ui::EventTimeForNow();
 489   ui::TouchEvent press(ui::ET_TOUCH_PRESSED,
 490       gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 491       0, timestamp);
 492   ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
 493   ASSERT_FALSE(details.dispatcher_destroyed);
 494   EXPECT_EQ(1, GetCurrentIndex());
 495
 496   timestamp += base::TimeDelta::FromMilliseconds(10);
 497   ui::TouchEvent move1(ui::ET_TOUCH_MOVED,
 498       gfx::Point(bounds.right() - 10, bounds.y() + 5),
 499       0, timestamp);
 500   details = dispatcher->OnEventFromSource(&move1);
 501   ASSERT_FALSE(details.dispatcher_destroyed);
 502   EXPECT_EQ(1, GetCurrentIndex());
 503
 504   // Swipe back from the right edge, back to the left edge, back to the right
 505   // edge.
 506
 507   for (int x = bounds.right() - 10; x >= bounds.x() + 10; x-= 10) {
 508     timestamp += base::TimeDelta::FromMilliseconds(10);
 509     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 510         gfx::Point(x, bounds.y() + 5),
 511         0, timestamp);
 512     details = dispatcher->OnEventFromSource(&inc);
 513     ASSERT_FALSE(details.dispatcher_destroyed);
 514     EXPECT_EQ(1, GetCurrentIndex());
 515   }
 516
 517   for (int x = bounds.x() + 10; x <= bounds.width() - 10; x+= 10) {
 518     timestamp += base::TimeDelta::FromMilliseconds(10);
 519     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 520         gfx::Point(x, bounds.y() + 5),
 521         0, timestamp);
 522     details = dispatcher->OnEventFromSource(&inc);
 523     ASSERT_FALSE(details.dispatcher_destroyed);
 524     EXPECT_EQ(1, GetCurrentIndex());
 525   }
 526
 527   for (int x = bounds.width() - 10; x >= bounds.x() + 10; x-= 10) {
 528     timestamp += base::TimeDelta::FromMilliseconds(10);
 529     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 530         gfx::Point(x, bounds.y() + 5),
 531         0, timestamp);
 532     details = dispatcher->OnEventFromSource(&inc);
 533     ASSERT_FALSE(details.dispatcher_destroyed);
 534     EXPECT_EQ(1, GetCurrentIndex());
 535   }
 536
 537   // Do not end the overscroll sequence.
 538 }
 539
 540 // Tests that the page has has a screenshot when navigation happens:
 541 //  - from within the page (from a JS function)
 542 //  - interactively, when user does an overscroll gesture
 543 //  - interactively, when user navigates in history without the overscroll
 544 //    gesture.
 545 // Flaky on Windows (http://crbug.com/357311). Might be related to
 546 // OverscrollNavigation test.
 547 // Flaky on Ozone (http://crbug.com/399676).
 548 // Flaky on ChromeOS (http://crbug.com/405945).
 549 #if defined(OS_WIN) || defined(USE_OZONE) || defined(OS_CHROMEOS)
 550 #define MAYBE_OverscrollScreenshot DISABLED_OverscrollScreenshot
 551 #else
 552 #define MAYBE_OverscrollScreenshot OverscrollScreenshot
 553 #endif
 554 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollScreenshot) {
 555   // Disable the test for WinXP.  See http://crbug/294116.
 556 #if defined(OS_WIN)
 557   if (base::win::GetVersion() < base::win::VERSION_VISTA) {
 558     LOG(WARNING) << "Test disabled due to unknown bug on WinXP.";
 559     return;
 560   }
 561 #endif
 562
 563   ASSERT_NO_FATAL_FAILURE(
 564       StartTestWithPage("files/overscroll_navigation.html"));
 565   WebContentsImpl* web_contents =
 566       static_cast<WebContentsImpl*>(shell()->web_contents());
 567   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 568
 569   set_min_screenshot_interval(0);
 570
 571   // Do a few navigations initiated by the page.
 572   // Screenshots should never be captured since these are all in-page
 573   // navigations.
 574   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 575   EXPECT_EQ(1, GetCurrentIndex());
 576   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 577   EXPECT_EQ(2, GetCurrentIndex());
 578   screenshot_manager()->WaitUntilScreenshotIsReady();
 579
 580   NavigationEntryImpl* entry = web_contents->GetController().GetEntryAtIndex(2);
 581   EXPECT_FALSE(entry->screenshot().get());
 582
 583   entry = web_contents->GetController().GetEntryAtIndex(1);
 584   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 585
 586   entry = 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 = web_contents->GetController().GetEntryAtIndex(2);
 593   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 594
 595   entry = web_contents->GetController().GetEntryAtIndex(3);
 596   EXPECT_FALSE(entry->screenshot().get());
 597   {
 598     // Now, swipe right to navigate backwards. This should navigate away from
 599     // index 3 to index 2.
 600     base::string16 expected_title = base::ASCIIToUTF16("Title: #2");
 601     content::TitleWatcher title_watcher(web_contents, expected_title);
 602     aura::Window* content = web_contents->GetContentNativeView();
 603     gfx::Rect bounds = content->GetBoundsInRootWindow();
 604     ui::test::EventGenerator generator(content->GetRootWindow(), content);
 605     generator.GestureScrollSequence(
 606         gfx::Point(bounds.x() + 2, bounds.y() + 10),
 607         gfx::Point(bounds.right() - 10, bounds.y() + 10),
 608         base::TimeDelta::FromMilliseconds(20),
 609         1);
 610     base::string16 actual_title = title_watcher.WaitAndGetTitle();
 611     EXPECT_EQ(expected_title, actual_title);
 612     EXPECT_EQ(2, GetCurrentIndex());
 613     screenshot_manager()->WaitUntilScreenshotIsReady();
 614     entry = web_contents->GetController().GetEntryAtIndex(3);
 615     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 616   }
 617
 618   // Navigate a couple more times.
 619   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 620   EXPECT_EQ(3, GetCurrentIndex());
 621   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 622   EXPECT_EQ(4, GetCurrentIndex());
 623   screenshot_manager()->WaitUntilScreenshotIsReady();
 624   entry = web_contents->GetController().GetEntryAtIndex(4);
 625   EXPECT_FALSE(entry->screenshot().get());
 626
 627   {
 628     // Navigate back in history.
 629     base::string16 expected_title = base::ASCIIToUTF16("Title: #3");
 630     content::TitleWatcher title_watcher(web_contents, expected_title);
 631     web_contents->GetController().GoBack();
 632     base::string16 actual_title = title_watcher.WaitAndGetTitle();
 633     EXPECT_EQ(expected_title, actual_title);
 634     EXPECT_EQ(3, GetCurrentIndex());
 635     screenshot_manager()->WaitUntilScreenshotIsReady();
 636     entry = web_contents->GetController().GetEntryAtIndex(4);
 637     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 638   }
 639 }
 640
 641 // Crashes under ThreadSanitizer, http://crbug.com/356758.
 642 #if defined(THREAD_SANITIZER)
 643 #define MAYBE_ScreenshotForSwappedOutRenderViews \
 644     DISABLED_ScreenshotForSwappedOutRenderViews
 645 #else
 646 #define MAYBE_ScreenshotForSwappedOutRenderViews \
 647     ScreenshotForSwappedOutRenderViews
 648 #endif
 649 // Tests that screenshot is taken correctly when navigation causes a
 650 // RenderViewHost to be swapped out.
 651 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 652                        MAYBE_ScreenshotForSwappedOutRenderViews) {
 653   ASSERT_NO_FATAL_FAILURE(
 654       StartTestWithPage("files/overscroll_navigation.html"));
 655   // Create a new server with a different site.
 656   net::SpawnedTestServer https_server(
 657       net::SpawnedTestServer::TYPE_HTTPS,
 658       net::SpawnedTestServer::kLocalhost,
 659       base::FilePath(FILE_PATH_LITERAL("content/test/data")));
 660   ASSERT_TRUE(https_server.Start());
 661
 662   WebContentsImpl* web_contents =
 663       static_cast<WebContentsImpl*>(shell()->web_contents());
 664   set_min_screenshot_interval(0);
 665
 666   struct {
 667     GURL url;
 668     int transition;
 669   } navigations[] = {
 670     { https_server.GetURL("files/title1.html"),
 671       ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR },
 672     { test_server()->GetURL("files/title2.html"),
 673       ui::PAGE_TRANSITION_AUTO_BOOKMARK },
 674     { https_server.GetURL("files/title3.html"),
 675       ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR },
 676     { GURL(), 0 }
 677   };
 678
 679   screenshot_manager()->Reset();
 680   for (int i = 0; !navigations[i].url.is_empty(); ++i) {
 681     // Navigate via the user initiating a navigation from the UI.
 682     NavigationController::LoadURLParams params(navigations[i].url);
 683     params.transition_type =
 684         ui::PageTransitionFromInt(navigations[i].transition);
 685
 686     RenderViewHost* old_host = web_contents->GetRenderViewHost();
 687     web_contents->GetController().LoadURLWithParams(params);
 688     WaitForLoadStop(web_contents);
 689     screenshot_manager()->WaitUntilScreenshotIsReady();
 690
 691     EXPECT_NE(old_host, web_contents->GetRenderViewHost())
 692         << navigations[i].url.spec();
 693     EXPECT_EQ(old_host, screenshot_manager()->screenshot_taken_for());
 694
 695     NavigationEntryImpl* entry =
 696         web_contents->GetController().GetEntryAtOffset(-1);
 697     EXPECT_TRUE(screenshot_manager()->ScreenshotSetForEntry(entry));
 698
 699     entry = web_contents->GetController().GetLastCommittedEntry();
 700     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 701     EXPECT_FALSE(entry->screenshot().get());
 702     screenshot_manager()->Reset();
 703   }
 704
 705   // Increase the minimum interval between taking screenshots.
 706   set_min_screenshot_interval(60000);
 707
 708   // Navigate again. This should not take any screenshot because of the
 709   // increased screenshot interval.
 710   NavigationController::LoadURLParams params(navigations[0].url);
 711   params.transition_type = ui::PageTransitionFromInt(navigations[0].transition);
 712   web_contents->GetController().LoadURLWithParams(params);
 713   WaitForLoadStop(web_contents);
 714   screenshot_manager()->WaitUntilScreenshotIsReady();
 715
 716   EXPECT_EQ(NULL, screenshot_manager()->screenshot_taken_for());
 717 }
 718
 719 // Tests that navigations resulting from reloads, history.replaceState,
 720 // and history.pushState do not capture screenshots.
 721 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ReplaceStateReloadPushState) {
 722   ASSERT_NO_FATAL_FAILURE(
 723       StartTestWithPage("files/overscroll_navigation.html"));
 724   WebContentsImpl* web_contents =
 725       static_cast<WebContentsImpl*>(shell()->web_contents());
 726   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 727
 728   set_min_screenshot_interval(0);
 729   screenshot_manager()->Reset();
 730   ExecuteSyncJSFunction(main_frame, "use_replace_state()");
 731   screenshot_manager()->WaitUntilScreenshotIsReady();
 732   // history.replaceState shouldn't capture a screenshot
 733   EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 734   screenshot_manager()->Reset();
 735   web_contents->GetController().Reload(true);
 736   WaitForLoadStop(web_contents);
 737   // reloading the page shouldn't capture a screenshot
 738   // TODO (mfomitchev): currently broken. Uncomment when
 739   // FrameHostMsg_DidCommitProvisionalLoad_Params.was_within_same_page
 740   // is populated properly when reloading the page.
 741   //EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 742   screenshot_manager()->Reset();
 743   ExecuteSyncJSFunction(main_frame, "use_push_state()");
 744   screenshot_manager()->WaitUntilScreenshotIsReady();
 745   // pushing a state shouldn't capture a screenshot
 746   // TODO (mfomitchev): currently broken. Uncomment when
 747   // FrameHostMsg_DidCommitProvisionalLoad_Params.was_within_same_page
 748   // is populated properly when pushState is used.
 749   //EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 750 }
 751
 752 // TODO(sadrul): This test is disabled because it reparents in a way the
 753 //               FocusController does not support. This code would crash in
 754 //               a production build. It only passed prior to this revision
 755 //               because testing used the old FocusManager which did some
 756 //               different (osbolete) processing. TODO(sadrul) to figure out
 757 //               how this test should work that mimics production code a bit
 758 //               better.
 759 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 760                        DISABLED_ContentWindowReparent) {
 761   ASSERT_NO_FATAL_FAILURE(
 762       StartTestWithPage("files/overscroll_navigation.html"));
 763
 764   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 765   window->Init(ui::LAYER_NOT_DRAWN);
 766
 767   WebContentsImpl* web_contents =
 768       static_cast<WebContentsImpl*>(shell()->web_contents());
 769   ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 770   EXPECT_EQ(1, GetCurrentIndex());
 771
 772   aura::Window* content = web_contents->GetContentNativeView();
 773   gfx::Rect bounds = content->GetBoundsInRootWindow();
 774   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 775   generator.GestureScrollSequence(
 776       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 777       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 778       base::TimeDelta::FromMilliseconds(20),
 779       1);
 780
 781   window->AddChild(shell()->web_contents()->GetContentNativeView());
 782 }
 783
 784 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ContentWindowClose) {
 785   ASSERT_NO_FATAL_FAILURE(
 786       StartTestWithPage("files/overscroll_navigation.html"));
 787
 788   WebContentsImpl* web_contents =
 789       static_cast<WebContentsImpl*>(shell()->web_contents());
 790   ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 791   EXPECT_EQ(1, GetCurrentIndex());
 792
 793   aura::Window* content = web_contents->GetContentNativeView();
 794   gfx::Rect bounds = content->GetBoundsInRootWindow();
 795   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 796   generator.GestureScrollSequence(
 797       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 798       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 799       base::TimeDelta::FromMilliseconds(20),
 800       1);
 801
 802   delete web_contents->GetContentNativeView();
 803 }
 804
 805
 806 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 807 // This appears to be flaky in the same was as the other overscroll
 808 // tests. Enabling for non-Windows platforms.
 809 // See http://crbug.com/369871.
 810 // For linux, see http://crbug.com/381294
 811 #define MAYBE_RepeatedQuickOverscrollGestures DISABLED_RepeatedQuickOverscrollGestures
 812 #else
 813 #define MAYBE_RepeatedQuickOverscrollGestures RepeatedQuickOverscrollGestures
 814 #endif
 815
 816 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 817                        MAYBE_RepeatedQuickOverscrollGestures) {
 818   ASSERT_NO_FATAL_FAILURE(
 819       StartTestWithPage("files/overscroll_navigation.html"));
 820
 821   WebContentsImpl* web_contents =
 822       static_cast<WebContentsImpl*>(shell()->web_contents());
 823   NavigationController& controller = web_contents->GetController();
 824   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 825   ExecuteSyncJSFunction(main_frame, "install_touch_handler()");
 826
 827   // Navigate twice, then navigate back in history once.
 828   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 829   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 830   EXPECT_EQ(2, GetCurrentIndex());
 831   EXPECT_TRUE(controller.CanGoBack());
 832   EXPECT_FALSE(controller.CanGoForward());
 833
 834   web_contents->GetController().GoBack();
 835   WaitForLoadStop(web_contents);
 836   EXPECT_EQ(1, GetCurrentIndex());
 837   EXPECT_EQ(base::ASCIIToUTF16("Title: #1"), web_contents->GetTitle());
 838   EXPECT_TRUE(controller.CanGoBack());
 839   EXPECT_TRUE(controller.CanGoForward());
 840
 841   aura::Window* content = web_contents->GetContentNativeView();
 842   gfx::Rect bounds = content->GetBoundsInRootWindow();
 843   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 844
 845   // Do a swipe left to start a forward navigation. Then quickly do a swipe
 846   // right.
 847   base::string16 expected_title = base::ASCIIToUTF16("Title: #2");
 848   content::TitleWatcher title_watcher(web_contents, expected_title);
 849   NavigationWatcher nav_watcher(web_contents);
 850
 851   generator.GestureScrollSequence(
 852       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 853       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 854       base::TimeDelta::FromMilliseconds(2000),
 855       10);
 856   nav_watcher.WaitUntilNavigationStarts();
 857
 858   generator.GestureScrollSequence(
 859       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 860       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 861       base::TimeDelta::FromMilliseconds(2000),
 862       10);
 863   base::string16 actual_title = title_watcher.WaitAndGetTitle();
 864   EXPECT_EQ(expected_title, actual_title);
 865
 866   EXPECT_EQ(2, GetCurrentIndex());
 867   EXPECT_TRUE(controller.CanGoBack());
 868   EXPECT_FALSE(controller.CanGoForward());
 869 }
 870
 871 // Verify that hiding a parent of the renderer will hide the content too.
 872 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, HideContentOnParenHide) {
 873   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("files/title1.html"));
 874   WebContentsImpl* web_contents =
 875       static_cast<WebContentsImpl*>(shell()->web_contents());
 876   aura::Window* content = web_contents->GetNativeView()->parent();
 877   EXPECT_TRUE(web_contents->should_normally_be_visible());
 878   content->Hide();
 879   EXPECT_FALSE(web_contents->should_normally_be_visible());
 880   content->Show();
 881   EXPECT_TRUE(web_contents->should_normally_be_visible());
 882 }
 883
 884 // Ensure that SnapToPhysicalPixelBoundary() is called on WebContentsView parent
 885 // change. This is a regression test for http://crbug.com/388908.
 886 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, WebContentsViewReparent) {
 887   ASSERT_NO_FATAL_FAILURE(
 888       StartTestWithPage("files/overscroll_navigation.html"));
 889
 890   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 891   window->Init(ui::LAYER_NOT_DRAWN);
 892
 893   RenderWidgetHostViewAura* rwhva =
 894       static_cast<RenderWidgetHostViewAura*>(
 895           shell()->web_contents()->GetRenderWidgetHostView());
 896   rwhva->ResetHasSnappedToBoundary();
 897   EXPECT_FALSE(rwhva->has_snapped_to_boundary());
 898   window->AddChild(shell()->web_contents()->GetNativeView());
 899   EXPECT_TRUE(rwhva->has_snapped_to_boundary());
 900 }
 901
 902 // Flaky on some platforms, likely for the same reason as other flaky overscroll
 903 // tests. http://crbug.com/305722
 904 // TODO(tdresser): Re-enable this once eager GR is back on. See
 905 // crbug.com/410280.
 906 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 907 #define MAYBE_OverscrollNavigationTouchThrottling \
 908         DISABLED_OverscrollNavigationTouchThrottling
 909 #else
 910 #define MAYBE_OverscrollNavigationTouchThrottling \
 911         DISABLED_OverscrollNavigationTouchThrottling
 912 #endif
 913
 914 // Tests that touch moves are not throttled when performing a scroll gesture on
 915 // a non-scrollable area, except during gesture-nav.
 916 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 917                        MAYBE_OverscrollNavigationTouchThrottling) {
 918   ASSERT_NO_FATAL_FAILURE(
 919       StartTestWithPage("files/overscroll_navigation.html"));
 920
 921   AddInputEventMessageFilter();
 922
 923   WebContentsImpl* web_contents =
 924       static_cast<WebContentsImpl*>(shell()->web_contents());
 925   aura::Window* content = web_contents->GetContentNativeView();
 926   gfx::Rect bounds = content->GetBoundsInRootWindow();
 927   const int dx = 20;
 928
 929   ExecuteSyncJSFunction(web_contents->GetMainFrame(),
 930                         "install_touchmove_handler()");
 931
 932   WaitAFrame();
 933
 934   for (int navigated = 0; navigated <= 1; ++navigated) {
 935     if (navigated) {
 936       ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 937       ExecuteSyncJSFunction(web_contents->GetMainFrame(),
 938                             "reset_touchmove_count()");
 939     }
 940     // Send touch press.
 941     SyntheticWebTouchEvent touch;
 942     touch.PressPoint(bounds.x() + 2, bounds.y() + 10);
 943     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 944                                                             ui::LatencyInfo());
 945     filter()->WaitForAck(blink::WebInputEvent::TouchStart);
 946     WaitAFrame();
 947
 948     // Assert on the ack, because we'll end up waiting for acks that will never
 949     // come if this is not true.
 950     ASSERT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 951
 952     // Send first touch move, and then a scroll begin.
 953     touch.MovePoint(0, bounds.x() + 20 + 1 * dx, bounds.y() + 100);
 954     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 955                                                             ui::LatencyInfo());
 956     filter()->WaitForAck(blink::WebInputEvent::TouchMove);
 957     ASSERT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 958
 959     blink::WebGestureEvent scroll_begin =
 960         SyntheticWebGestureEventBuilder::BuildScrollBegin(1, 1);
 961     GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 962         scroll_begin, ui::LatencyInfo());
 963     // Scroll begin ignores ack disposition, so don't wait for the ack.
 964     WaitAFrame();
 965
 966     // First touchmove already sent, start at 2.
 967     for (int i = 2; i <= 10; ++i) {
 968       // Send a touch move, followed by a scroll update
 969       touch.MovePoint(0, bounds.x() + 20 + i * dx, bounds.y() + 100);
 970       GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(
 971           touch, ui::LatencyInfo());
 972       WaitAFrame();
 973
 974       blink::WebGestureEvent scroll_update =
 975           SyntheticWebGestureEventBuilder::BuildScrollUpdate(
 976               dx, 5, 0, blink::WebGestureDeviceTouchscreen);
 977
 978       GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 979           scroll_update, ui::LatencyInfo());
 980
 981       WaitAFrame();
 982     }
 983
 984     touch.ReleasePoint(0);
 985     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 986                                                             ui::LatencyInfo());
 987     WaitAFrame();
 988
 989     blink::WebGestureEvent scroll_end;
 990     scroll_end.type = blink::WebInputEvent::GestureScrollEnd;
 991     GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 992         scroll_end, ui::LatencyInfo());
 993     WaitAFrame();
 994
 995     if (!navigated)
 996       EXPECT_EQ(10, ExecuteScriptAndExtractInt("touchmoveCount"));
 997     else
 998       EXPECT_GT(10, ExecuteScriptAndExtractInt("touchmoveCount"));
 999   }
1000 }
1001
1002 // Test that vertical overscroll updates are sent only when a user overscrolls
1003 // vertically.
1004 #if defined(OS_WIN)
1005 #define MAYBE_VerticalOverscroll DISABLED_VerticalOverscroll
1006 #else
1007 #define MAYBE_VerticalOverscroll VerticalOverscroll
1008 #endif
1009
1010 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_VerticalOverscroll) {
1011   base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
1012       switches::kScrollEndEffect, "1");
1013
1014   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("about:blank"));
1015   WebContentsImpl* web_contents =
1016       static_cast<WebContentsImpl*>(shell()->web_contents());
1017   VerticalOverscrollTracker tracker;
1018   web_contents->SetDelegate(&tracker);
1019
1020   // This test triggers a large number of animations. Speed them up to ensure
1021   // the test completes within its time limit.
1022   ui::ScopedAnimationDurationScaleMode fast_duration_mode(
1023       ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
1024
1025   aura::Window* content = web_contents->GetContentNativeView();
1026   ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
1027   gfx::Rect bounds = content->GetBoundsInRootWindow();
1028
1029   // Overscroll horizontally.
1030   {
1031     int kXStep = bounds.width() / 10;
1032     gfx::Point location(bounds.right() - kXStep, bounds.y() + 5);
1033     base::TimeDelta timestamp = ui::EventTimeForNow();
1034     ui::TouchEvent press(
1035         ui::ET_TOUCH_PRESSED,
1036         location,
1037         0,
1038         timestamp);
1039     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1040     ASSERT_FALSE(details.dispatcher_destroyed);
1041     WaitAFrame();
1042     location -= gfx::Vector2d(kXStep, 0);
1043     timestamp += base::TimeDelta::FromMilliseconds(10);
1044
1045     while (location.x() > bounds.x() + kXStep) {
1046       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1047       details = dispatcher->OnEventFromSource(&inc);
1048       ASSERT_FALSE(details.dispatcher_destroyed);
1049       WaitAFrame();
1050       location -= gfx::Vector2d(10, 0);
1051       timestamp += base::TimeDelta::FromMilliseconds(10);
1052     }
1053
1054     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1055     details = dispatcher->OnEventFromSource(&release);
1056     ASSERT_FALSE(details.dispatcher_destroyed);
1057     WaitAFrame();
1058
1059     EXPECT_EQ(0, tracker.num_overscroll_updates());
1060     EXPECT_FALSE(tracker.overscroll_completed());
1061   }
1062
1063   // Overscroll vertically.
1064   {
1065     tracker.Reset();
1066
1067     int kYStep = bounds.height() / 10;
1068     gfx::Point location(bounds.x() + 10, bounds.y() + kYStep);
1069     base::TimeDelta timestamp = ui::EventTimeForNow();
1070     ui::TouchEvent press(
1071         ui::ET_TOUCH_PRESSED,
1072         location,
1073         0,
1074         timestamp);
1075     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1076     ASSERT_FALSE(details.dispatcher_destroyed);
1077     WaitAFrame();
1078     location += gfx::Vector2d(0, kYStep);
1079     timestamp += base::TimeDelta::FromMilliseconds(10);
1080
1081     while (location.y() < bounds.bottom() - kYStep) {
1082       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1083       details = dispatcher->OnEventFromSource(&inc);
1084       ASSERT_FALSE(details.dispatcher_destroyed);
1085       WaitAFrame();
1086       location += gfx::Vector2d(0, kYStep);
1087       timestamp += base::TimeDelta::FromMilliseconds(10);
1088     }
1089
1090     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1091     details = dispatcher->OnEventFromSource(&release);
1092     ASSERT_FALSE(details.dispatcher_destroyed);
1093     WaitAFrame();
1094
1095     EXPECT_LT(0, tracker.num_overscroll_updates());
1096     EXPECT_TRUE(tracker.overscroll_completed());
1097   }
1098
1099   // Start out overscrolling vertically, then switch directions and finish
1100   // overscrolling horizontally.
1101   {
1102     tracker.Reset();
1103
1104     int kXStep = bounds.width() / 10;
1105     int kYStep = bounds.height() / 10;
1106     gfx::Point location = bounds.origin() + gfx::Vector2d(0, kYStep);
1107     base::TimeDelta timestamp = ui::EventTimeForNow();
1108     ui::TouchEvent press(
1109         ui::ET_TOUCH_PRESSED,
1110         location,
1111         0,
1112         timestamp);
1113     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1114     ASSERT_FALSE(details.dispatcher_destroyed);
1115     WaitAFrame();
1116     location += gfx::Vector2d(0, kYStep);
1117     timestamp += base::TimeDelta::FromMilliseconds(10);
1118
1119     for (size_t i = 0; i < 3; ++i) {
1120       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1121       details = dispatcher->OnEventFromSource(&inc);
1122       ASSERT_FALSE(details.dispatcher_destroyed);
1123       WaitAFrame();
1124       location += gfx::Vector2d(0, kYStep);
1125       timestamp += base::TimeDelta::FromMilliseconds(10);
1126     }
1127
1128     while (location.x() < bounds.right() - kXStep) {
1129       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1130       details = dispatcher->OnEventFromSource(&inc);
1131       ASSERT_FALSE(details.dispatcher_destroyed);
1132       WaitAFrame();
1133       location += gfx::Vector2d(kXStep, 0);
1134       timestamp += base::TimeDelta::FromMilliseconds(10);
1135     }
1136
1137     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1138     details = dispatcher->OnEventFromSource(&release);
1139     ASSERT_FALSE(details.dispatcher_destroyed);
1140     WaitAFrame();
1141
1142     EXPECT_LT(0, tracker.num_overscroll_updates());
1143     EXPECT_FALSE(tracker.overscroll_completed());
1144   }
1145 }
1146
1147 }  // namespace content