Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/net/predictor.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.
 
 // A Predictor object is instantiated once in the browser process, and manages
 // both preresolution of hostnames, as well as TCP/IP preconnection to expected
 // subresources.
 // Most hostname lists are provided by the renderer processes, and include URLs
 // that *might* be used in the near future by the browsing user.  One goal of
 // this class is to cause the underlying DNS structure to lookup a hostname
@@ skipping 30 matching lines @@
 class WaitableEvent;
 }
 
 namespace net {
 class HostResolver;
 class URLRequestContextGetter;
 }  // namespace net
 
 class IOThread;
 class PrefService;
+class PrefServiceSyncable;
 class Profile;
 
 namespace chrome_browser_net {
 
 typedef chrome_common_net::UrlList UrlList;
 typedef chrome_common_net::NameList NameList;
 typedef std::map<GURL, UrlInfo> Results;
 
 // Predictor is constructed during Profile construction (on the UI thread),
 // but it is destroyed on the IO thread when ProfileIOData goes away. All of
@@ skipping 33 matching lines @@
   // be performed. Host lookups will be issued through |host_resolver|.
   explicit Predictor(bool preconnect_enabled);
 
   virtual ~Predictor();
 
   // This function is used to create a predictor. For testing, we can create
   // a version which does a simpler shutdown.
   static Predictor* CreatePredictor(bool preconnect_enabled,
                                     bool simple_shutdown);
 
-  static void RegisterUserPrefs(PrefService* user_prefs);
+  static void RegisterUserPrefs(PrefServiceSyncable* user_prefs);
 
   // ------------- Start UI thread methods.
 
   virtual void InitNetworkPredictor(PrefService* user_prefs,
                                     PrefService* local_state,
                                     IOThread* io_thread,
                                     net::URLRequestContextGetter* getter);
 
   // The Omnibox has proposed a given url to the user, and if it is a search
   // URL, then it also indicates that this is preconnectable (i.e., we could
@@ skipping 398 matching lines @@
       PrefService* user_prefs,
       PrefService* local_state,
       IOThread* io_thread,
       net::URLRequestContextGetter* getter) OVERRIDE;
   virtual void ShutdownOnUIThread(PrefService* user_prefs) OVERRIDE;
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_PREDICTOR_H_