Improve switch between gestures and touch mode when kEnableTouchEvents

content/port/browser/render_widget_host_view_port.h

 // 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.
 
 #ifndef CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_
 #define CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_
 #pragma once
 
 #include "base/process_util.h"
 #include "base/string16.h"
@@ skipping 208 matching lines @@
   virtual void GetScreenInfo(WebKit::WebScreenInfo* results) = 0;
   virtual gfx::Rect GetRootWindowBounds() = 0;
 #endif
 
   virtual gfx::GLSurfaceHandle GetCompositingSurface() = 0;
 
   // Because the associated remote WebKit instance can asynchronously
   // prevent-default on a dispatched touch event, the touch events are queued in
   // the GestureRecognizer until invocation of ProcessTouchAck releases it to be
   // processed (when |processed| is false) or ignored (when |processed| is true)
-  virtual void ProcessTouchAck(bool processed) = 0;
+  virtual void ProcessTouchAck(WebKit::WebInputEvent::Type type,
+                               bool processed) = 0;
 
   virtual void SetHasHorizontalScrollbar(bool has_horizontal_scrollbar) = 0;
   virtual void SetScrollOffsetPinning(
       bool is_pinned_to_left, bool is_pinned_to_right) = 0;
 
   // Return value indicates whether the mouse is locked successfully or not.
   virtual bool LockMouse() = 0;
   virtual void UnlockMouse() = 0;
   virtual bool IsMouseLocked() = 0;
 
   virtual void SetPopupType(WebKit::WebPopupType popup_type) = 0;
   virtual WebKit::WebPopupType GetPopupType() = 0;
 
   virtual void OnAccessibilityNotifications(
       const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_