scheduler: Detect single event gestures correctly

content/renderer/input/render_widget_input_handler_delegate.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_DELEGATE_H_
 #define CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_DELEGATE_H_
 
 #include <memory>
 
 #include "content/common/content_export.h"
 #include "content/common/input/input_event_ack.h"
+#include "third_party/WebKit/public/platform/WebInputEventResult.h"
 
 namespace blink {
 class WebGestureEvent;
 class WebMouseEvent;
 }
 
 namespace gfx {
 class Point;
 class Vector2dF;
 }
@@ skipping 27 matching lines @@
   virtual void OnDidOverscroll(const ui::DidOverscrollParams& params) = 0;
 
   // Called when an ACK is ready to be sent to the input event provider.
   virtual void OnInputEventAck(
       std::unique_ptr<InputEventAck> input_event_ack) = 0;
 
   // Called when an event with a notify dispatch type
   // (DISPATCH_TYPE_*_NOTIFY_MAIN) of |handled_type| has been processed
   // by the main thread.
   virtual void NotifyInputEventHandled(blink::WebInputEvent::Type handled_type,
+                                       blink::WebInputEventResult result,
                                        InputEventAckState ack_result) = 0;
 
   // Notifies the delegate of the |input_handler| managing it.
   virtual void SetInputHandler(RenderWidgetInputHandler* input_handler) = 0;
 
   // Call this if virtual keyboard should be displayed, e.g. after a tap on an
   // input field on mobile. Note that we do this just by setting a bit in
   // text input state and update it to the browser such that browser process can
   // be up to date when showing virtual keyboard.
   virtual void ShowVirtualKeyboard() = 0;
@@ skipping 11 matching lines @@
   // won't be sent to WebKit or trigger DidHandleMouseEvent().
   virtual bool WillHandleMouseEvent(const blink::WebMouseEvent& event) = 0;
 
  protected:
   virtual ~RenderWidgetInputHandlerDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_DELEGATE_H_