Add content::RenderWidgetHost::MouseEventCallback

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 4b4f70630615a9f7fe6dc2ce2b2eefb87c45eba2..8dde60a1b9adcf0320942ab4dac408484bb60d73 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -177,6 +177,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
       const KeyPressEventCallback& callback) OVERRIDE;
   virtual void RemoveKeyPressEventCallback(
       const KeyPressEventCallback& callback) OVERRIDE;
+  virtual void AddMouseEventCallback(
+      const MouseEventCallback& callback) OVERRIDE;
+  virtual void RemoveMouseEventCallback(
+      const MouseEventCallback& callback) OVERRIDE;
   virtual void GetWebScreenInfo(WebKit::WebScreenInfo* result) OVERRIDE;
   virtual void GetSnapshotFromRenderer(
       const gfx::Rect& src_subrect,
@@ -826,6 +830,9 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // Keyboard event listeners.
   std::vector<KeyPressEventCallback> key_press_event_callbacks_;
 
+  // Mouse event callbacks.
+  std::vector<MouseEventCallback> mouse_event_callbacks_;
+
   // If true, then we should repaint when restoring even if we have a
   // backingstore.  This flag is set to true if we receive a paint message
   // while is_hidden_ to true.  Even though we tell the render widget to hide