Implement support for disabling sync through configuration management.

chrome/browser/browser.h

 // Copyright (c) 2010 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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/command_updater.h"
 #include "chrome/browser/pref_member.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/shell_dialogs.h"
+#include "chrome/browser/sync/profile_sync_service_observer.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/tab_contents/page_navigator.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/toolbar_model.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/page_transition_types.h"
 #include "chrome/common/page_zoom.h"
 #include "gfx/rect.h"
 
@@ skipping 13 matching lines @@
 class Point;
 }
 
 class Browser : public TabStripModelDelegate,
                 public TabStripModelObserver,
                 public TabContentsDelegate,
                 public PageNavigator,
                 public CommandUpdater::CommandUpdaterDelegate,
                 public NotificationObserver,
                 public SelectFileDialog::Listener,
-                public TabRestoreService::Observer {
+                public TabRestoreService::Observer,
+                public ProfileSyncServiceObserver {
  public:
   // If you change the values in this enum you'll need to update browser_proxy.
   // TODO(sky): move into a common place that is referenced by both ui_tests
   // and chrome.
   enum Type {
     TYPE_NORMAL = 1,
     TYPE_POPUP = 2,
     // The old-style app created via "Create application shortcuts".
     TYPE_APP = 4,
     // The new-style app created by installing a crx. This kinda needs to be
@@ skipping 665 matching lines @@
   virtual Browser* GetBrowser() { return this; }
 
   // Overridden from SelectFileDialog::Listener:
   virtual void FileSelected(const FilePath& path, int index, void* params);
 
   // Overridden from NotificationObserver:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
+  // Overridden from ProfileSyncServiceObserver:
+  virtual void OnStateChanged();
+
   // Command and state updating ///////////////////////////////////////////////
 
   // Initialize state for all browser commands.
   void InitCommandState();
 
   // Update commands whose state depends on the tab's state.
   void UpdateCommandsForTabState();
 
   // Ask the Reload/Stop button to change its icon, and update the Stop command
   // state.  |is_loading| is true if the current TabContents is loading.
@@ skipping 295 matching lines @@
   mutable BooleanPrefMember use_vertical_tabs_;
 
   // The profile's tab restore service. The service is owned by the profile,
   // and we install ourselves as an observer.
   TabRestoreService* tab_restore_service_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_