Keep track of coalesced events in main thread event queue

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 122 matching lines @@
 
   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;
   void themeChanged() override;
-  WebInputEventResult handleInputEvent(const WebInputEvent&) override;
+  WebInputEventResult handleInputEvent(const WebCoalescedInputEvent&) override;
   void setCursorVisibilityState(bool isVisible) override;
   bool hasTouchEventHandlersAt(const WebPoint&) override;
 
   void applyViewportDeltas(const WebFloatSize& visualViewportDelta,
                            const WebFloatSize& layoutViewportDelta,
                            const WebFloatSize& elasticOverscrollDelta,
                            float pageScaleDelta,
                            float browserControlsShownRatioDelta) override;
   void mouseCaptureLost() override;
   void setFocus(bool enable) override;
@@ skipping 585 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