Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/external_protocol/external_protocol_handler.cc

 // 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.
 
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/platform_util.h"
+#include "chrome/browser/prefs/pref_registrar_simple.h"
+#include "chrome/browser/prefs/pref_registrar_simple.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/escape.h"
 
 using content::BrowserThread;
 
 // Whether we accept requests for launching external protocols. This is set to
@@ skipping 259 matching lines @@
   // Otherwise put this work on the file thread. On Windows ShellExecute may
   // block for a significant amount of time, and it shouldn't hurt on Linux.
   BrowserThread::PostTask(
       BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&platform_util::OpenExternal, url));
 #endif
 }
 
 // static
-void ExternalProtocolHandler::RegisterPrefs(PrefServiceSimple* prefs) {
+void ExternalProtocolHandler::RegisterPrefs(PrefRegistrarSimple* prefs) {
   prefs->RegisterDictionaryPref(prefs::kExcludedSchemes);
 }
 
 // static
 void ExternalProtocolHandler::PermitLaunchUrl() {
   DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type());
   g_accept_requests = true;
 }