Keep track of coalesced events in main thread event queue

content/renderer/render_widget.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 764 matching lines @@
 
 void RenderWidget::OnRequestMoveAck() {
   DCHECK(pending_window_rect_count_);
   pending_window_rect_count_--;
 }
 
 GURL RenderWidget::GetURLForGraphicsContext3D() {
   return GURL();
 }
 
-void RenderWidget::OnHandleInputEvent(const blink::WebInputEvent* input_event,
-                                      const ui::LatencyInfo& latency_info,
-                                      InputEventDispatchType dispatch_type) {
+void RenderWidget::OnHandleInputEvent(
+    const blink::WebInputEvent* input_event,
+    const std::vector<const blink::WebInputEvent*>& coalesced_events,
+    const ui::LatencyInfo& latency_info,
+    InputEventDispatchType dispatch_type) {
   if (!input_event)
     return;
-  input_handler_->HandleInputEvent(*input_event, latency_info, dispatch_type);
+
+  input_handler_->HandleInputEvent(
+      blink::WebCoalescedInputEvent(*input_event, coalesced_events),
+      latency_info, dispatch_type);
 }
 
 void RenderWidget::OnCursorVisibilityChange(bool is_visible) {
   if (GetWebWidget())
     GetWebWidget()->setCursorVisibilityState(is_visible);
 }
 
 void RenderWidget::OnMouseCaptureLost() {
   if (GetWebWidget())
     GetWebWidget()->mouseCaptureLost();
@@ skipping 1468 matching lines @@
     // browser side (https://crbug.com/669219).
     // If there is no WebFrameWidget, then there will be no
     // InputMethodControllers for a WebLocalFrame.
     return nullptr;
   }
   return static_cast<blink::WebFrameWidget*>(GetWebWidget())
       ->getActiveWebInputMethodController();
 }
 
 }  // namespace content