Modifying the BackgroundModeManager to handle multiple profiles.

chrome/browser/background_application_list_model.h

 // Copyright (c) 2011 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_BACKGROUND_APPLICATION_LIST_MODEL_H_
 #define CHROME_BROWSER_BACKGROUND_APPLICATION_LIST_MODEL_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 14 matching lines @@
  public:
   // Observer is informed of changes to the model.  Users of the
   // BackgroundApplicationListModel should anticipate that associated data,
   // e. g. the Icon, may exist and yet not be immediately available.  When the
   // data becomes available, OnApplicationDataChanged will be invoked for all
   // Observers of the model.
   class Observer {
    public:
     // Invoked when data that the model associates with the extension, such as
     // the Icon, has changed.
-    virtual void OnApplicationDataChanged(const Extension* extension);
+    virtual void OnApplicationDataChanged(const Extension* extension,
+                                          Profile* profile);
 
     // Invoked when the model detects a previously unknown extension and/or when
     // it no longer detects a previously known extension.
-    virtual void OnApplicationListChanged();
+    virtual void OnApplicationListChanged(Profile* profile);
 
    protected:
     virtual ~Observer();
   };
 
   // Create a new model associated with profile.
   explicit BackgroundApplicationListModel(Profile* profile);
 
   ~BackgroundApplicationListModel();
 
@@ skipping 11 matching lines @@
 
   // Return the position of |extension| within this list model.
   int GetPosition(const Extension* extension) const;
 
   // Return the extension at the specified |position| in this list model.
   const Extension* GetExtension(int position) const;
 
   // Returns true if the passed extension is a background app.
   static bool IsBackgroundApp(const Extension& extension);
 
+  // Returns whether any of the extensions are background apps.
+  bool HasBackgroundApp();
+
   // Dissociate observer from this model.
   void RemoveObserver(Observer* observer);
 
   ExtensionList::const_iterator begin() const {
     return extensions_.begin();
   }
 
   ExtensionList::const_iterator end() const {
     return extensions_.end();
   }
@@ skipping 22 matching lines @@
   // Returns the Application associated with |extension| or NULL.
   Application* FindApplication(const Extension* extension);
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Notifies observers that some of the data associated with this background
   // application, e. g. the Icon, has changed.
-  void OnApplicationDataChanged(const Extension* extension);
+  void OnApplicationDataChanged(const Extension* extension, Profile* profile);
 
   // Notifies observers that at least one background application has been added
   // or removed.
-  void OnApplicationListChanged();
+  void OnApplicationListChanged(Profile* profile);
 
   // Invoked by Observe for EXTENSION_LOADED notifications.
   void OnExtensionLoaded(Extension* extension);
 
   // Invoked by Observe for EXTENSION_UNLOADED notifications.
   void OnExtensionUnloaded(const Extension* extension);
 
   // Refresh the list of background applications and generate notifications.
   void Update();
 
   ApplicationMap applications_;
   ExtensionList extensions_;
   ObserverList<Observer> observers_;
   Profile* profile_;
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundApplicationListModel);
 };
 
 #endif  // CHROME_BROWSER_BACKGROUND_APPLICATION_LIST_MODEL_H_