Allow signin to continue even if sync is disabled by policy.

chrome/browser/ui/browser_command_controller.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_UI_BROWSER_COMMAND_CONTROLLER_H_
 #define CHROME_BROWSER_UI_BROWSER_COMMAND_CONTROLLER_H_
 
 #include "base/prefs/public/pref_change_registrar.h"
 #include "chrome/browser/api/sync/profile_sync_service_observer.h"
 #include "chrome/browser/command_updater.h"
@@ skipping 12 matching lines @@
 
 namespace content {
 struct NativeWebKeyboardEvent;
 }
 
 namespace chrome {
 
 class BrowserCommandController : public CommandUpdaterDelegate,
                                  public content::NotificationObserver,
                                  public ProfileInfoCacheObserver,
-                                 public ProfileSyncServiceObserver,
                                  public TabStripModelObserver,
                                  public TabRestoreServiceObserver {
  public:
   BrowserCommandController(Browser* browser, ProfileManager* profile_manager);
   virtual ~BrowserCommandController();
 
   CommandUpdater* command_updater() { return &command_updater_; }
   bool block_command_execution() const { return block_command_execution_; }
 
   // Returns true if |command_id| is a reserved command whose keyboard shortcuts
@@ skipping 59 matching lines @@
 
   // Overridden from ProfileInfoCacheObserver:
   virtual void OnProfileAdded(const FilePath& profile_path) OVERRIDE;
   virtual void OnProfileWillBeRemoved(const FilePath& profile_path) OVERRIDE;
   virtual void OnProfileWasRemoved(const FilePath& profile_path,
                                    const string16& profile_name) OVERRIDE;
   virtual void OnProfileNameChanged(const FilePath& profile_path,
                                     const string16& old_profile_name) OVERRIDE;
   virtual void OnProfileAvatarChanged(const FilePath& profile_path) OVERRIDE;
 
-  // Overridden from ProfileSyncServiceObserver:
-  virtual void OnStateChanged() OVERRIDE;
-
   // Overridden from TabStripModelObserver:
   virtual void TabInsertedAt(content::WebContents* contents,
                              int index,
                              bool foreground) OVERRIDE;
   virtual void TabDetachedAt(content::WebContents* contents,
                              int index) OVERRIDE;
   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
                              content::WebContents* old_contents,
                              content::WebContents* new_contents,
                              int index) OVERRIDE;
@@ skipping 84 matching lines @@
   content::NotificationRegistrar registrar_;
   PrefChangeRegistrar profile_pref_registrar_;
   PrefChangeRegistrar local_pref_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCommandController);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_COMMAND_CONTROLLER_H_