Enable gesture events handling on Android.

content/browser/renderer_host/render_widget_host_view_android.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
 #include "base/process.h"
@@ skipping 87 matching lines @@
   virtual void SetHasHorizontalScrollbar(
       bool has_horizontal_scrollbar) OVERRIDE;
   virtual void SetScrollOffsetPinning(
       bool is_pinned_to_left, bool is_pinned_to_right) OVERRIDE;
   virtual bool LockMouse() OVERRIDE;
   virtual void UnlockMouse() OVERRIDE;
   virtual void StartContentIntent(const GURL& content_url) OVERRIDE;
 
   void SetContentViewCore(ContentViewCoreImpl* content_view_core);
 
+  virtual void DidSetNeedTouchEvents(bool need_touch_events) OVERRIDE;

[jam, 2012/07/27 21:02:13]

nit: put all overridden functions from the same interface together

+
+  void TouchEvent(const WebKit::WebTouchEvent& event);
+  void GestureEvent(const WebKit::WebGestureEvent& event);
+
  private:
   // The model object.
   RenderWidgetHostImpl* host_;
 
   // Whether or not this widget is hidden.
   bool is_hidden_;
 
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;
 
   // The size that we want the renderer to be.  We keep this in a separate
   // variable because resizing is async.
   gfx::Size requested_size_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_