| Index: extensions/browser/app_window/app_window_contents.h | 
| diff --git a/extensions/browser/app_window/app_window_contents.h b/extensions/browser/app_window/app_window_contents.h | 
| index 4afa13d1ed16eb9c744a6d398784fd7b12658166..6446f45af499b6cd40dea5fab33a9d980f8847ad 100644 | 
| --- a/extensions/browser/app_window/app_window_contents.h | 
| +++ b/extensions/browser/app_window/app_window_contents.h | 
| @@ -45,10 +45,12 @@ class AppWindowContentsImpl : public AppWindowContents, | 
|  | 
| private: | 
| // content::WebContentsObserver | 
| -  bool OnMessageReceived(const IPC::Message& message) override; | 
| +  bool OnMessageReceived(const IPC::Message& message, | 
| +                         content::RenderFrameHost* sender) override; | 
| void ReadyToCommitNavigation(content::NavigationHandle* handle) override; | 
|  | 
| -  void UpdateDraggableRegions(const std::vector<DraggableRegion>& regions); | 
| +  void UpdateDraggableRegions(content::RenderFrameHost* sender, | 
| +                              const std::vector<DraggableRegion>& regions); | 
| void SuspendRenderFrameHost(content::RenderFrameHost* rfh); | 
|  | 
| AppWindow* host_;  // This class is owned by |host_| | 
|  |