Keep track of coalesced events in main thread event queue

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

Index: third_party/WebKit/Source/web/WebFrameWidgetImpl.h
diff --git a/third_party/WebKit/Source/web/WebFrameWidgetImpl.h b/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
index c99f3a6cace07a916aee50980b6749b33edfc203..74080c62471cc70f55371d83ddce4d21734c5e54 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
+++ b/third_party/WebKit/Source/web/WebFrameWidgetImpl.h
@@ -34,7 +34,7 @@
 #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"
@@ -87,7 +87,7 @@ class WebFrameWidgetImpl final
   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;