Blink Compositor Animation: Introduce CompositorAnimationHost correctly.

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * 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.
  *     * Redistributions in binary form must reproduce the above
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 #include "web/WebExport.h"
 #include "wtf/Compiler.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 #include <memory>
 
 namespace blink {
 
 class BrowserControls;
+class CompositorAnimationHost;
 class DevToolsEmulator;
 class Frame;
 class FullscreenController;
 class InspectorOverlay;
 class LinkHighlightImpl;
 class PageOverlay;
 class PageScaleConstraintsSet;
 class PaintLayerCompositor;
 class UserGestureToken;
 class WebActiveGestureAnimation;
@@ skipping 596 matching lines @@
   // Whether the user can press tab to focus links.
   bool m_tabsToLinks;
 
   // If set, the (plugin) node which has mouse capture.
   Persistent<Node> m_mouseCaptureNode;
   RefPtr<UserGestureToken> m_mouseCaptureGestureToken;
 
   RefPtr<UserGestureToken> m_pointerLockGestureToken;
 
   WebLayerTreeView* m_layerTreeView;
+  std::unique_ptr<CompositorAnimationHost> m_compositorAnimationHost;
+
   WebLayer* m_rootLayer;
   GraphicsLayer* m_rootGraphicsLayer;
   GraphicsLayer* m_visualViewportContainerLayer;
   bool m_matchesHeuristicsForGpuRasterization;
   static const WebInputEvent* m_currentInputEvent;
 
   MediaKeysClientImpl m_mediaKeysClientImpl;
   std::unique_ptr<WebActiveGestureAnimation> m_gestureAnimation;
   WebPoint m_positionOnFlingStart;
   WebPoint m_globalPositionOnFlingStart;
@@ skipping 37 matching lines @@
   Persistent<ResizeViewportAnchor> m_resizeViewportAnchor;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 }  // namespace blink
 
 #endif