Update WindowTree::OnWindowInputEventAck to include handled

content/renderer/input/render_widget_input_handler.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_H_
 #define CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
@@ skipping 16 matching lines @@
 
 class RenderWidget;
 class RenderWidgetInputHandlerDelegate;
 
 // RenderWidgetInputHandler is an IPC-agnostic input handling class.
 // IPC transport code should live in RenderWidget or RenderWidgetMusConnection.
 class CONTENT_EXPORT RenderWidgetInputHandler {
  public:
   RenderWidgetInputHandler(RenderWidgetInputHandlerDelegate* delegate,
                            RenderWidget* widget);
-  ~RenderWidgetInputHandler();
+  virtual ~RenderWidgetInputHandler();
 
   // Handle input events from the input event provider.
-  void HandleInputEvent(const blink::WebInputEvent& input_event,
-                        const ui::LatencyInfo& latency_info,
-                        InputEventDispatchType dispatch_type);
+  virtual void HandleInputEvent(const blink::WebInputEvent& input_event,
+                                const ui::LatencyInfo& latency_info,
+                                InputEventDispatchType dispatch_type);
 
   // Handle overscroll from Blink.
   void DidOverscrollFromBlink(
       const blink::WebFloatSize& unusedDelta,
       const blink::WebFloatSize& accumulatedRootOverScroll,
       const blink::WebFloatPoint& position,
       const blink::WebFloatSize& velocity);
 
   // When paused in debugger, we send ack for mouse event early. This ensures
   // that we continue receiving mouse moves and pass them to debugger. Returns
@@ skipping 52 matching lines @@
   bool ignore_ack_for_mouse_move_from_debugger_;
 
   scoped_ptr<InputEventAck> pending_input_event_ack_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetInputHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_H_