Add an ExtensionPrefStore, layered between the user prefs nad the managed pre...

chrome/test/reliability/page_load_test.cc

 // Copyright (c) 2010 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 file provides reliablity test which runs under UI test framework. The
 // test is intended to run within QEMU environment.
 //
 // Usage 1: reliability_test
 // Upon invocation, it visits a hard coded list of sample URLs. This is mainly
 // used by buildbot, to verify reliability_test itself runs ok.
@@ skipping 512 matching lines @@
       metrics->crash_dump_count = num_dumps;
   }
 
   // Get a PrefService whose contents correspond to the Local State file
   // that was saved by the app as it closed.  The caller takes ownership of the
   // returned PrefService object.
   PrefService* GetLocalState() {
     FilePath local_state_path = user_data_dir()
         .Append(chrome::kLocalStateFilename);
 
-    PrefService* local_state(new PrefService(new PrefValueStore(
-        NULL, /* no managed preference values */
-        new JsonPrefStore( /* user defined preference values */
-            local_state_path,
-            ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE)),
-        NULL /* no advised preference values */)));
+    PrefService* local_state = PrefService::CreateUserPrefService(
+        local_state_path);
     return local_state;
   }
 
   void GetStabilityMetrics(NavigationMetrics* metrics) {
     if (!metrics)
       return;
     scoped_ptr<PrefService> local_state(GetLocalState());
     if (!local_state.get())
       return;
     local_state->RegisterBooleanPref(prefs::kStabilityExitedCleanly, false);
@@ skipping 165 matching lines @@
             parsed_command_line.GetSwitchValuePath(switches::kJavaScriptFlags));
         if (v8_command_line.HasSwitch(kV8LogFileSwitch)) {
           g_v8_log_path = v8_command_line.GetSwitchValuePath(kV8LogFileSwitch);
           if (!file_util::AbsolutePath(&g_v8_log_path))
             g_v8_log_path = FilePath();
         }
       }
     }
   }
 }