Add content::RenderWidgetHost::MouseEventCallback

content/public/browser/render_widget_host.h

Index: content/public/browser/render_widget_host.h
diff --git a/content/public/browser/render_widget_host.h b/content/public/browser/render_widget_host.h
index ca727b78c68ad675d869c117f1b687c0468a1c4e..6b15b8a8a9bb04bcc62c0ee9d8129c531f7a5b4d 100644
--- a/content/public/browser/render_widget_host.h
+++ b/content/public/browser/render_widget_host.h
@@ -34,6 +34,7 @@ struct WebScreenInfo;
 
 namespace content {
 
+class MouseListener;
 class RenderProcessHost;
 class RenderWidgetHostImpl;
 class RenderWidgetHostView;
@@ -296,6 +297,12 @@ class CONTENT_EXPORT RenderWidgetHost : public IPC::Sender {
   // Remove a keyboard listener.
   virtual void RemoveKeyboardListener(KeyboardListener* listener) = 0;
 
+  // Add a mouse listener that can handle all kinds of mouse events.
+  virtual void AddMouseListener(MouseListener* listener) = 0;
+
+  // Remove a mouse listener.
+  virtual void RemoveMouseListener(MouseListener* listener) = 0;
+
   // Get the screen info corresponding to this render widget.
   virtual void GetWebScreenInfo(WebKit::WebScreenInfo* result) = 0;