| Index: content/browser/frame_host/render_widget_host_view_child_frame.h | 
| diff --git a/content/browser/frame_host/render_widget_host_view_child_frame.h b/content/browser/frame_host/render_widget_host_view_child_frame.h | 
| index 7e55f0a9d4c6e34b66d0cfc199d5c127d641b1ce..12ab4fed583116405eb9d2e78b5c48beae2433d6 100644 | 
| --- a/content/browser/frame_host/render_widget_host_view_child_frame.h | 
| +++ b/content/browser/frame_host/render_widget_host_view_child_frame.h | 
| @@ -101,6 +101,7 @@ class CONTENT_EXPORT RenderWidgetHostViewChildFrame | 
| #endif  // defined(USE_AURA) | 
| bool LockMouse() override; | 
| void UnlockMouse() override; | 
| +  uint32_t GetSurfaceIdNamespace() override; | 
|  | 
| #if defined(OS_MACOSX) | 
| // RenderWidgetHostView implementation. | 
|  |