[Reland] Per WebViewScheduler virtual time

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
@@ skipping 427 matching lines @@
     GraphicsLayer* rootGraphicsLayer();
     void setRootGraphicsLayer(GraphicsLayer*);
     GraphicsLayerFactory* graphicsLayerFactory() const;
     PaintLayerCompositor* compositor() const;
     void registerForAnimations(WebLayer*);
     void scheduleAnimation();
     void attachCompositorAnimationTimeline(WebCompositorAnimationTimeline*);
     void detachCompositorAnimationTimeline(WebCompositorAnimationTimeline*);
     WebCompositorAnimationTimeline* linkHighlightsTimeline() const { return m_linkHighlightsTimeline.get(); }
 
+    WebViewScheduler* scheduler() const override;
     void setVisibilityState(WebPageVisibilityState, bool) override;
 
     bool hasOpenedPopup() const { return m_pagePopup; }
 
     // Returns true if the event leads to scrolling.
     static bool mapKeyCodeForScroll(
         int keyCode,
         ScrollDirectionPhysical*,
         ScrollGranularity*);
 
@@ skipping 59 matching lines @@
     void forceNextWebGLContextCreationToFail() override;
     void forceNextDrawingBufferCreationToFail() override;
 
     IntSize mainFrameSize();
     WebDisplayMode displayMode() const { return m_displayMode; }
 
     PageScaleConstraintsSet& pageScaleConstraintsSet() const;
 
     FloatSize elasticOverscroll() const { return m_elasticOverscroll; }
 
-    WebViewScheduler* scheduler() const { return m_scheduler.get(); }
-
     // Attaches the PaintArtifactCompositor's tree to this WebView's layer tree
     // view.
     void attachPaintArtifactCompositor();
 
     // Detaches the PaintArtifactCompositor and clears the layer tree view's
     // root layer.
     void detachPaintArtifactCompositor();
 
     // Use in Slimming Paint v2 to update the layer tree for the content.
     PaintArtifactCompositor& paintArtifactCompositor() { return m_paintArtifactCompositor; }
@@ skipping 236 matching lines @@
 };
 
 DEFINE_TYPE_CASTS(WebViewImpl, WebWidget, widget, widget->isWebView(), widget.isWebView());
 // 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