[Panels refactor] Track Panels in TaskManager now that they are not under the tab contents umbrella.

chrome/browser/task_manager/task_manager_resource_providers.h

Index: chrome/browser/task_manager/task_manager_resource_providers.h
diff --git a/chrome/browser/task_manager/task_manager_resource_providers.h b/chrome/browser/task_manager/task_manager_resource_providers.h
index a926ac25f0fca682f912758cbe3f14d3705875cb..47c5f2ff306f5af6f8bc10218c506f5612f29d79 100644
--- a/chrome/browser/task_manager/task_manager_resource_providers.h
+++ b/chrome/browser/task_manager/task_manager_resource_providers.h
@@ -21,6 +21,7 @@
 class BackgroundContents;
 class BalloonHost;
 class TabContents;
+class Panel;
 
 namespace content {
 class RenderViewHost;
@@ -113,7 +114,7 @@ class TaskManagerTabContentsResource : public TaskManagerRendererResource {
   virtual string16 GetTitle() const OVERRIDE;
   virtual string16 GetProfileName() const OVERRIDE;
   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
-  virtual TabContents* GetTabContents() const OVERRIDE;
+  virtual content::WebContents* GetWebContents() const OVERRIDE;
   virtual const extensions::Extension* GetExtension() const OVERRIDE;
 
  private:
@@ -171,6 +172,68 @@ class TaskManagerTabContentsResourceProvider
   DISALLOW_COPY_AND_ASSIGN(TaskManagerTabContentsResourceProvider);
 };
 
+class TaskManagerPanelResource : public TaskManagerRendererResource {
+ public:
+  explicit TaskManagerPanelResource(Panel* panel);
+  virtual ~TaskManagerPanelResource();
+
+  // 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:
+  Panel* panel_;
+  // Determines prefix for title reflecting whether extensions are apps
+  // or in incognito mode.
+  int message_prefix_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(TaskManagerPanelResource);
+};
+
+class TaskManagerPanelResourceProvider
+    : public TaskManager::ResourceProvider,
+      public content::NotificationObserver {
+ public:
+  explicit TaskManagerPanelResourceProvider(TaskManager* task_manager);
+
+  // TaskManager::ResourceProvider methods:
+  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 ~TaskManagerPanelResourceProvider();
+
+  void Add(Panel* panel);
+  void Remove(Panel* panel);
+
+  // 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 Panels) to the Task Manager resources.
+  typedef std::map<Panel*, TaskManagerPanelResource*> PanelResourceMap;
+  PanelResourceMap resources_;
+
+  // A scoped container for notification registries.
+  content::NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(TaskManagerPanelResourceProvider);
+};
+
 class TaskManagerBackgroundContentsResource
     : public TaskManagerRendererResource {
  public: