Keep track of coalesced events in main thread event queue

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

 /*
  * Copyright (C) 2014 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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebFrameWidgetImpl_h
 #define WebFrameWidgetImpl_h
 
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/heap/SelfKeepAlive.h"
 #include "platform/scroll/ScrollTypes.h"
-#include "public/platform/WebInputEvent.h"
+#include "public/platform/WebCoalescedInputEvent.h"
 #include "public/platform/WebPoint.h"
 #include "public/platform/WebSize.h"
 #include "public/web/WebInputMethodController.h"
 #include "web/PageWidgetDelegate.h"
 #include "web/WebFrameWidgetBase.h"
 #include "web/WebInputMethodControllerImpl.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 #include "wtf/Assertions.h"
 #include "wtf/HashSet.h"
@@ skipping 32 matching lines @@
   void resizeVisualViewport(const WebSize&) override;
   void didEnterFullscreen() override;
   void didExitFullscreen() override;
   void beginFrame(double lastFrameTimeMonotonic) override;
   void updateAllLifecyclePhases() override;
   void paint(WebCanvas*, const WebRect&) override;
   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& mainFrameDelta,
                            const WebFloatSize& elasticOverscrollDelta,
                            float pageScaleDelta,
                            float browserControlsDelta) override;
   void mouseCaptureLost() override;
   void setFocus(bool enable) override;
@@ skipping 137 matching lines @@
 
 DEFINE_TYPE_CASTS(WebFrameWidgetImpl,
                   WebFrameWidgetBase,
                   widget,
                   widget->forSubframe(),
                   widget.forSubframe());
 
 }  // namespace blink
 
 #endif