| Index: chrome/browser/task_management/providers/web_contents/renderer_task.h | 
| diff --git a/chrome/browser/task_management/providers/web_contents/renderer_task.h b/chrome/browser/task_management/providers/web_contents/renderer_task.h | 
| index 3ab9faec67cc1341e434f3b41d5c39b4670299e1..5b1555e4cf3d2b5ace32e6d5971aec44a497de7f 100644 | 
| --- a/chrome/browser/task_management/providers/web_contents/renderer_task.h | 
| +++ b/chrome/browser/task_management/providers/web_contents/renderer_task.h | 
| @@ -40,6 +40,11 @@ class RendererTask : public Task, | 
| // can update their favicons. | 
| virtual void UpdateFavicon() = 0; | 
|  | 
| +  // An overridable method that will be called when the event | 
| +  // WebContentsObserver::DidNavigateMainFrame() occurs, so that we can update | 
| +  // their Rappor sample name when a navigation takes place. | 
| +  virtual void UpdateRapporSampleName(); | 
| + | 
| // task_management::Task: | 
| void Activate() override; | 
| void Refresh(const base::TimeDelta& update_interval, | 
|  |