Removed BackgroundPageTracker - less code = more happiness

BUG=80755
TEST=Install extensions with background pages, make sure View Background Pages wrench menu item has the correct count.

Review URL: http://codereview.chromium.org/6929001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@84152 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 95 deletions

diff --git a/chrome/browser/background_page_tracker.h b/chrome/browser/background_page_tracker.h
deleted file mode 100644
index e00f5eb..0000000
--- a/chrome/browser/background_page_tracker.h
+++ /dev/null
@@ -1,95 +0,0 @@
-// 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_PAGE_TRACKER_H_
-#define CHROME_BROWSER_BACKGROUND_PAGE_TRACKER_H_
-#pragma once
-
-#include <map>
-#include <string>
-
-#include "base/gtest_prod_util.h"
-#include "base/memory/singleton.h"
-#include "content/common/notification_observer.h"
-#include "content/common/notification_registrar.h"
-
-class PrefService;
-
-///////////////////////////////////////////////////////////////////////////////
-// BackgroundPageTracker
-//
-// This class is a singleton class that monitors when new background pages are
-// loaded, and sends out a notification.
-//
-class BackgroundPageTracker : public NotificationObserver {
- public:
-  static void RegisterPrefs(PrefService* prefs);
-
-  // Convenience routine which gets the singleton object.
-  static BackgroundPageTracker* GetInstance();
-
-  // Returns the number of background apps/extensions currently loaded.
-  int GetBackgroundPageCount();
-
-  // Returns the number of unacknowledged background pages (for use in badges,
-  // etc).
-  int GetUnacknowledgedBackgroundPageCount();
-
-  // Called when the user has acknowledged that new background apps have been
-  // loaded. Future calls to GetUnacknowledgedBackgroundPageCount() will return
-  // 0 until another background page is installed.
-  void AcknowledgeBackgroundPages();
-
- protected:
-  // Constructor marked as protected so we can create mock subclasses.
-  BackgroundPageTracker();
-  ~BackgroundPageTracker();
-  friend struct DefaultSingletonTraits<BackgroundPageTracker>;
-  friend class BackgroundPageTrackerTest;
-  FRIEND_TEST_ALL_PREFIXES(BackgroundPageTrackerTest, OnBackgroundPageLoaded);
-  FRIEND_TEST_ALL_PREFIXES(BackgroundPageTrackerTest,
-                           AcknowledgeBackgroundPages);
-  FRIEND_TEST_ALL_PREFIXES(BackgroundPageTrackerTest,
-                           TestTrackerChangedNotifications);
-
-  // Mockable method to get the PrefService where we store information about
-  // background pages.
-  virtual PrefService* GetPrefService();
-
-  // Helper routine which checks to see if this object should be enabled or not.
-  // If false, the BackgroundPageTracker always acts as if there are no
-  // background pages. Virtual to allow enabling in mocks.
-  virtual bool IsEnabled();
-
- private:
-  // NotificationObserver implementation.
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
-  // Invoked once all extensions have been loaded, so we can update our list of
-  // tracked pages and send out the appropriate notifications. Returns true if
-  // the extension list was changed.
-  bool UpdateExtensionList();
-
-  // Called when a background page is loaded (either because a hosted app
-  // opened a BackgroundContents or a packaged extension was loaded with an
-  // extension background page). Updates our internal list of unacknowledged
-  // background pages.
-  void OnBackgroundPageLoaded(const std::string& parent_application_id);
-
-  // When an extension is unloaded, removes it from the list of background pages
-  // so we no longer nag the user about it (if it is still unacknowledged) and
-  // we inform the user if it is ever re-installed/enabled.
-  void OnExtensionUnloaded(const std::string& parent_application_id);
-
-  // Sends out a notification that the list of background pages has changed.
-  void SendChangeNotification();
-
-  NotificationRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(BackgroundPageTracker);
-};
-
-#endif  // CHROME_BROWSER_BACKGROUND_PAGE_TRACKER_H_