Enable gesture events handling on Android.

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index d3fbfc55ab3e19e51e33aff421fbcfff8898a33d..23b963481732b5a3910150a03713a593814a8a76 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -104,6 +104,12 @@ class RenderWidgetHostViewAndroid : public RenderWidgetHostViewBase {
 
   void SetContentViewCore(ContentViewCoreImpl* content_view_core);
 
+  virtual void DidSetNeedTouchEvents(bool need_touch_events) OVERRIDE;
+
+  // Non-virtual methods
+  void TouchEvent(const WebKit::WebTouchEvent& event);
+  void GestureEvent(const WebKit::WebGestureEvent& event);
+
  private:
   // The model object.
   RenderWidgetHostImpl* host_;