Adds async interface method to PersistentPrefStore.

chrome/browser/profiles/profile_impl.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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_
 #pragma once
 
@@ skipping 18 matching lines @@
 class LocaleChangeGuard;
 class Preferences;
 }
 #endif
 
 class NetPrefObserver;
 
 // The default profile implementation.
 class ProfileImpl : public Profile,
                     public SpellCheckHostObserver,
-                    public NotificationObserver,
-                    public PrefServiceDelegate {
+                    public NotificationObserver {
  public:
   virtual ~ProfileImpl();
 
   static void RegisterUserPrefs(PrefService* prefs);
 
   // Profile implementation.
   virtual std::string GetProfileName();
   virtual ProfileId GetRuntimeId();
   virtual FilePath GetPath();
   virtual bool IsOffTheRecord();
@@ skipping 99 matching lines @@
 
  private:
   friend class Profile;
 
   ProfileImpl(const FilePath& path,
               Profile::Delegate* delegate);
 
   // Does final initialization. Should be called after prefs were loaded.
   void DoFinalInit();
 
-  // PrefServiceDelegate implementation. Does final prefs initialization and
-  // calls Init().
-  virtual void OnPrefsLoaded(PrefService* prefs, bool success);
+  // Does final prefs initialization and calls Init().
+  void OnPrefsLoaded(bool success);
 
   void CreateWebDataService();
   FilePath GetPrefFilePath();
 
   void CreatePasswordStore();
 
   void StopCreateSessionServiceTimer();
 
   void EnsureRequestContextCreated() {
     GetRequestContext();
@@ skipping 125 matching lines @@
   scoped_refptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
   scoped_ptr<ChromeURLDataManager> chrome_url_data_manager_;
 
   Profile::Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_