Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/external_protocol/external_protocol_handler.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.
 
 #ifndef CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_HANDLER_H_
 #define CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_HANDLER_H_
 
 #include <string>
 
 #include "chrome/browser/shell_integration.h"
 
 class GURL;
-class PrefService;
+class PrefServiceSimple;
 
 namespace base {
 class DictionaryValue;
 }
 
 class ExternalProtocolHandler {
  public:
   enum BlockState {
     DONT_BLOCK,
     BLOCK,
@@ skipping 47 matching lines @@
   // NOTE: There is a race between the Time of Check and the Time Of Use for
   //       the command line. Since the caller (web page) does not have access
   //       to change the command line by itself, we do not do anything special
   //       to protect against this scenario.
   // This is implemented separately on each platform.
   static void RunExternalProtocolDialog(const GURL& url,
                                         int render_process_host_id,
                                         int routing_id);
 
   // Register the ExcludedSchemes preference.
-  static void RegisterPrefs(PrefService* prefs);
+  static void RegisterPrefs(PrefServiceSimple* prefs);
 
   // Starts a url using the external protocol handler with the help
   // of shellexecute. Should only be called if the protocol is whitelisted
   // (checked in LaunchUrl) or if the user explicitly allows it. (By selecting
   // "Launch Application" in an ExternalProtocolDialog.) It is assumed that the
   // url has already been escaped, which happens in LaunchUrl.
   // NOTE: You should Not call this function directly unless you are sure the
   // url you have has been checked against the blacklist, and has been escaped.
   // All calls to this function should originate in some way from LaunchUrl.
   // This will execute on the file thread.
   static void LaunchUrlWithoutSecurityCheck(const GURL& url);
 
   // Prepopulates the dictionary with known protocols to deny or allow, if
   // preferences for them do not already exist.
   static void PrepopulateDictionary(base::DictionaryValue* win_pref);
 
   // Allows LaunchUrl to proceed with launching an external protocol handler.
   // This is typically triggered by a user gesture, but is also called for
   // each extension API function. Note that each call to LaunchUrl resets
   // the state to false (not allowed).
   static void PermitLaunchUrl();
 };
 
 #endif  // CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_HANDLER_H_