| Index: content/browser/wake_lock/wake_lock_service_context.h | 
| diff --git a/content/browser/wake_lock/wake_lock_service_context.h b/content/browser/wake_lock/wake_lock_service_context.h | 
| index d734c4c47ae955c6035d8984a960fdeb154a3cc5..dc6da241163ff09e9e290981c013d1d3ac0d9631 100644 | 
| --- a/content/browser/wake_lock/wake_lock_service_context.h | 
| +++ b/content/browser/wake_lock/wake_lock_service_context.h | 
| @@ -35,6 +35,7 @@ class CONTENT_EXPORT WakeLockServiceContext : public WebContentsObserver { | 
|  | 
| // WebContentsObserver implementation. | 
| void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; | 
| +  void WebContentsDestroyed() override; | 
|  | 
| // Requests wake lock for RenderFrame identified by |render_process_id| and | 
| // |render_frame_id|. | 
|  |