Moved JsonPrefStore to use SequencedWorkerPool

chrome/browser/profiles/profile_impl.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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_
 
 #include <string>
@@ skipping 16 matching lines @@
 class VisitedLinkEventListener;
 
 #if defined(OS_CHROMEOS)
 namespace chromeos {
 class EnterpriseExtensionObserver;
 class LocaleChangeGuard;
 class Preferences;
 }
 #endif
 
+namespace base {
+class SequencedTaskRunner;
+}
+
 namespace content {
 class SpeechRecognitionPreferences;
 }
 
 namespace extensions {
 class ExtensionSystem;
 }
 
 // The default profile implementation.
 class ProfileImpl : public Profile,
@@ skipping 90 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ProfileBrowserTest, ProfileReadmeCreated);
   FRIEND_TEST_ALL_PREFIXES(ProfileBrowserTest,
                            ProfileDeletedBeforeReadmeCreated);
 
   // Delay, in milliseconds, before README file is created for a new profile.
   // This is non-const for testing purposes.
   static int create_readme_delay_ms;
 
   ProfileImpl(const FilePath& path,
               Delegate* delegate,
-              CreateMode create_mode);
+              CreateMode create_mode,
+              base::SequencedTaskRunner* sequenced_task_runner);
 
   // Does final initialization. Should be called after prefs were loaded.
   void DoFinalInit(bool is_new_profile);
 
   void InitHostZoomMap();
 
   // Does final prefs initialization and calls Init().
   void OnPrefsLoaded(bool success);
 
   FilePath GetPrefFilePath();
@@ skipping 104 matching lines @@
   //   chrome/browser/profile/profile_keyed_dependency_manager.{h,cc}
 
   Profile::Delegate* delegate_;
 
   chrome_browser_net::Predictor* predictor_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IMPL_H_