Introducing WebCoalescedInputEvent and inclusion in content/common

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 2088 matching lines @@
 bool WebViewImpl::hasVerticalScrollbar() {
   return mainFrameImpl()
       ->frameView()
       ->layoutViewportScrollableArea()
       ->verticalScrollbar();
 }
 
 const WebInputEvent* WebViewImpl::m_currentInputEvent = nullptr;
 
 WebInputEventResult WebViewImpl::handleInputEvent(
-    const WebInputEvent& inputEvent) {
+    const WebCoalescedInputEvent& coalescedEvent) {
+  const WebInputEvent& inputEvent = coalescedEvent.event();
   // TODO(dcheng): The fact that this is getting called when there is no local
   // main frame is problematic and probably indicates a bug in the input event
   // routing code.
   if (!mainFrameImpl())
     return WebInputEventResult::NotHandled;
 
   WebAutofillClient* autofillClient = mainFrameImpl()->autofillClient();
   UserGestureNotifier notifier(this);
   // On the first input event since page load, |notifier| instructs the
   // autofill client to unblock values of password input fields of any forms
@@ skipping 82 matching lines @@
     node->dispatchMouseEvent(
         PlatformMouseEventBuilder(
             mainFrameImpl()->frameView(),
             static_cast<const WebMouseEvent&>(inputEvent)),
         eventType, static_cast<const WebMouseEvent&>(inputEvent).clickCount);
     return WebInputEventResult::HandledSystem;
   }
 
   // FIXME: This should take in the intended frame, not the local frame root.
   WebInputEventResult result = PageWidgetDelegate::handleInputEvent(
-      *this, inputEvent, mainFrameImpl()->frame());
+      *this, coalescedEvent, mainFrameImpl()->frame());
   if (result != WebInputEventResult::NotHandled)
     return result;
 
   // Unhandled pinch events should adjust the scale.
   if (inputEvent.type == WebInputEvent::GesturePinchUpdate) {
     const WebGestureEvent& pinchEvent =
         static_cast<const WebGestureEvent&>(inputEvent);
 
     // For touchpad gestures synthesize a Windows-like wheel event
     // to send to any handlers that may exist. Not necessary for touchscreen
@@ skipping 1981 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink