Make TaskManagerTabContentsResource explicitly handle prerendering and instant pages.

chrome/browser/task_manager/task_manager_resource_providers.h

 // Copyright (c) 2012 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_MANAGER_TASK_MANAGER_RESOURCE_PROVIDERS_H_
 #define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_PROVIDERS_H_
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/process_util.h"
 #include "chrome/browser/task_manager/task_manager.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/common/process_type.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
 
 class BackgroundContents;
 class BalloonHost;
-class TabContents;
 class Panel;
+class Profile;
 
 namespace content {
 class RenderViewHost;
+class WebContents;
 }
 
 namespace extensions {
 class Extension;
 }
 
 // These file contains the resource providers used in the task manager.
 
 // Base class for various types of render process resources that provides common
 // functionality like stats tracking.
@@ skipping 59 matching lines @@
   bool pending_fps_update_;
 
   // We do a similar dance to gather the V8 memory usage in a process.
   size_t v8_memory_allocated_;
   size_t v8_memory_used_;
   bool pending_v8_memory_allocated_update_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerRendererResource);
 };
 
+// Tracks a single tab contents, prerendered page, or instant page.
 class TaskManagerTabContentsResource : public TaskManagerRendererResource {
  public:
-  explicit TaskManagerTabContentsResource(TabContents* tab_contents);
+  explicit TaskManagerTabContentsResource(content::WebContents* web_contents);
   virtual ~TaskManagerTabContentsResource();
 
-  // Called when the underlying tab_contents has been committed, and is thus no
+  // Called when the underlying web_contents has been committed and is no
   // longer an Instant preview.
   void InstantCommitted();
 
   // TaskManager::Resource methods:
   virtual Type GetType() const OVERRIDE;
   virtual string16 GetTitle() const OVERRIDE;
   virtual string16 GetProfileName() const OVERRIDE;
   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
   virtual content::WebContents* GetWebContents() const OVERRIDE;
   virtual const extensions::Extension* GetExtension() const OVERRIDE;
 
  private:
-  bool IsPrerendering() const;
-
   // Returns true if contains content rendered by an extension.
   bool HostsExtension() const;
 
   static gfx::ImageSkia* prerender_icon_;
-  TabContents* tab_contents_;
+  content::WebContents* web_contents_;
+  Profile* profile_;
   bool is_instant_preview_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerTabContentsResource);
 };
 
+// Provides resources for tab contents, prerendered pages, and instant pages.
 class TaskManagerTabContentsResourceProvider
     : public TaskManager::ResourceProvider,
       public content::NotificationObserver {
  public:
   explicit TaskManagerTabContentsResourceProvider(TaskManager* task_manager);
 
   virtual TaskManager::Resource* GetResource(int origin_pid,
                                              int render_process_host_id,
                                              int routing_id) OVERRIDE;
   virtual void StartUpdating() OVERRIDE;
   virtual void StopUpdating() OVERRIDE;
 
   // content::NotificationObserver method:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   virtual ~TaskManagerTabContentsResourceProvider();
 
-  void Add(TabContents* tab_contents);
-  void Remove(TabContents* tab_contents);
-  void Update(TabContents* tab_contents);
+  void Add(content::WebContents* web_contents);
+  void Remove(content::WebContents* web_contents);
+  void InstantCommitted(content::WebContents* web_contents);
 
-  void AddToTaskManager(TabContents* tab_contents);
+  void AddToTaskManager(content::WebContents* web_contents);
 
   // Whether we are currently reporting to the task manager. Used to ignore
   // notifications sent after StopUpdating().
   bool updating_;
 
   TaskManager* task_manager_;
 
-  // Maps the actual resources (the TabContentses) to the Task Manager
+  // Maps the actual resources (the WebContentses) to the Task Manager
   // resources.
-  std::map<TabContents*, TaskManagerTabContentsResource*> resources_;
+  std::map<content::WebContents*, TaskManagerTabContentsResource*> resources_;
 
   // A scoped container for notification registries.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerTabContentsResourceProvider);
 };
 
 class TaskManagerPanelResource : public TaskManagerRendererResource {
  public:
   explicit TaskManagerPanelResource(Panel* panel);
@@ skipping 490 matching lines @@
       TaskManagerGuestResource*> GuestResourceMap;
   GuestResourceMap resources_;
 
   // A scoped container for notification registries.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerGuestResourceProvider);
 };
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_PROVIDERS_H_