AddMouseEventCallback  173 content/browser/renderer_host/render_widget_host_impl.h   virtual void AddMouseEventCallback(
AddMouseEventCallback 2495 content/browser/renderer_host/render_widget_host_unittest.cc   host_->AddMouseEventCallback(
AddMouseEventCallback  301 content/public/browser/render_widget_host.h   virtual void AddMouseEventCallback(const MouseEventCallback& callback) = 0;