Moved JsonPrefStore to use SequencedWorkerPool

chrome_frame/test/reliability/page_load_test.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.
 //
 // This file provides reliablity tests which run for ChromeFrame.
 //
 // Usage:
 // <reliability test exe> --list=file --startline=start --endline=end [...]
 // Upon invocation, it visits each of the URLs on line numbers between start
 // and end, inclusive, stored in the input file. The line number starts from 1.
@@ skipping 412 matching lines @@
     if (metrics)
       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 path;
     chrome::GetChromeFrameUserDataDirectory(&path);
-    return PrefServiceMockBuilder().WithUserFilePrefs(path).Create();
+    return PrefServiceMockBuilder().WithUserFilePrefs(
+        path, message_loop_.message_loop_proxy()).Create();
   }
 
   void GetStabilityMetrics(NavigationMetrics* metrics) {
     if (!metrics)
       return;
     scoped_ptr<PrefService> local_state(GetLocalState());
     if (!local_state.get())
       return;
     local_state->RegisterBooleanPref(prefs::kStabilityExitedCleanly, false);
     local_state->RegisterIntegerPref(prefs::kStabilityLaunchCount, -1);
@@ skipping 135 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();
         }
       }
     }
   }
 }