[Android] Perform eager gesture recognition on MotionEvents

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_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 282 matching lines @@
   // by synchronized with BeginFrame.
   virtual void OnSetNeedsFlushInput() = 0;
 
   // Called by the host when the input flush has completed.
   virtual void OnDidFlushInput() = 0;
 
   // Create a platform specific SyntheticGestureTarget implementation that will
   // be used to inject synthetic input events.
   virtual scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget() = 0;
 
-  virtual void GestureEventAck(int gesture_event_type,
+  virtual void GestureEventAck(const blink::WebGestureEvent& event,
                                InputEventAckState ack_result) = 0;
 
   virtual void OnOverscrolled(gfx::Vector2dF accumulated_overscroll,
                               gfx::Vector2dF current_fling_velocity) = 0;
 
   virtual void DidStopFlinging() = 0;
 
   virtual void SetPopupType(blink::WebPopupType popup_type) = 0;
   virtual blink::WebPopupType GetPopupType() = 0;
 
@@ skipping 33 matching lines @@
 
   // Returns an HWND that's given as the parent window for windowless Flash to
   // workaround crbug.com/301548.
   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const = 0;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_