Make OffscreenCanvas animation in sync with its placeholder canvas's parent frame rate

third_party/WebKit/Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 33 matching lines @@
 #include "core/frame/VisualViewport.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/forms/ColorChooser.h"
 #include "core/html/forms/ColorChooserClient.h"
 #include "core/html/forms/DateTimeChooser.h"
 #include "core/layout/HitTestResult.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/compositing/CompositedSelection.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
+#include "core/page/ChromeClient.h"
 #include "core/page/Page.h"
 #include "core/page/PopupOpeningObserver.h"
 #include "modules/accessibility/AXObject.h"
 #include "modules/audio_output_devices/AudioOutputDeviceClient.h"
 #include "modules/installedapp/InstalledAppController.h"
 #include "modules/mediastream/UserMediaController.h"
 #include "modules/navigatorcontentutils/NavigatorContentUtils.h"
 #include "modules/presentation/PresentationController.h"
 #include "modules/push_messaging/PushController.h"
 #include "modules/screen_orientation/ScreenOrientationControllerImpl.h"
@@ skipping 857 matching lines @@
     Document::PageDismissalType dismissalType) const {
   String message = String("Blocked ") + dialogTypeToString(dialogType) + "('" +
                    dialogMessage + "') during " +
                    dismissalTypeToString(dismissalType) + ".";
   WebLocalFrameImpl::fromFrame(frame)->addMessageToConsole(
       WebConsoleMessage(WebConsoleMessage::LevelError, message));
 
   return false;
 }
 
+WebLayerTreeView* ChromeClientImpl::getWebLayerTreeView(LocalFrame* frame) {
+  WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(frame);
+  return webFrame->localRoot()->frameWidget()->getLayerTreeView();
+}
+
 void ChromeClientImpl::setEventListenerProperties(
     LocalFrame* frame,
     WebEventListenerClass eventClass,
     WebEventListenerProperties properties) {
   // |frame| might be null if called via TreeScopeAdopter::
   // moveNodeToNewDocument() and the new document has no frame attached.
   // Since a document without a frame cannot attach one later, it is safe to
   // exit early.
   if (!frame)
     return;
@@ skipping 272 matching lines @@
     PresentationController::provideTo(frame, client->presentationClient());
   if (RuntimeEnabledFeatures::audioOutputDevicesEnabled()) {
     provideAudioOutputDeviceClientTo(frame,
                                      new AudioOutputDeviceClientImpl(frame));
   }
   if (RuntimeEnabledFeatures::installedAppEnabled())
     InstalledAppController::provideTo(frame, client->installedAppClient());
 }
 
 }  // namespace blink