Reporting top cpu and memory consumers via rappor on chromeos

chrome/browser/task_management/providers/web_contents/renderer_task.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_RENDERER_TASK_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_RENDERER_TASK_H_
 
 #include "chrome/browser/task_management/providers/task.h"
 #include "components/favicon/core/favicon_driver_observer.h"
 #include "content/public/browser/navigation_entry.h"
@@ skipping 22 matching lines @@
   // WebContentsObserver::DidNavigateMainFrame() occurs. This gives the
   // freedom to concrete tasks to adjust the title however they need to before
   // they set it.
   virtual void UpdateTitle() = 0;
 
   // An abstract method that will be called when the event
   // FaviconDriverObserver::OnFaviconUpdated() occurs, so that concrete tasks
   // 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,
                int64 refresh_flags) override;
   Type GetType() const override;
   int GetChildProcessUniqueID() const override;
   base::string16 GetProfileName() const override;
   int64 GetV8MemoryAllocated() const override;
   int64 GetV8MemoryUsed() const override;
   bool ReportsWebCacheStats() const override;
@@ skipping 52 matching lines @@
   // The profile name associated with the browser context of the render view
   // host.
   const base::string16 profile_name_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererTask);
 };
 
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_WEB_CONTENTS_RENDERER_TASK_H_