Notify Blink to suppress frame requests during BeginMainFrame

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 112 matching lines @@
   };
 
   // WebWidget methods:
   void close() override;
   WebSize size() override;
   void resize(const WebSize&) override;
   void resizeVisualViewport(const WebSize&) override;
   void didEnterFullscreen() override;
   void didExitFullscreen() override;
 
+  void setSuppressFrameRequestsWorkaroundFor704763Only(bool) override;
   void beginFrame(double lastFrameTimeMonotonic) override;
 
   void updateAllLifecyclePhases() override;
   void paint(WebCanvas*, const WebRect&) override;
 #if OS(ANDROID)
   void paintIgnoringCompositing(WebCanvas*, const WebRect&) override;
 #endif
   void layoutAndPaintAsync(WebLayoutAndPaintAsyncCallback*) override;
   void compositeAndReadbackAsync(
       WebCompositeAndReadbackAsyncCallback*) override;
@@ skipping 608 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