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

chrome/browser/tab_contents/web_contents_unittest.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.
 
 #include "app/message_box_flags.h"
 #include "base/logging.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/browser/pref_value_store.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
@@ skipping 36 matching lines @@
 
   virtual PrefService* GetPrefs() {
     if (!prefs_.get()) {
       FilePath source_path;
       PathService::Get(chrome::DIR_TEST_DATA, &source_path);
       source_path = source_path.AppendASCII("profiles")
           .AppendASCII("chrome_prefs").AppendASCII("Preferences");
 
       // Create a preference service that only contains user defined
       // preference values.
-      prefs_.reset(new PrefService(new PrefValueStore(
-        NULL, /* No managed preference values */
-        new JsonPrefStore( /* user defined preference values */
-          source_path,
-          ChromeThread::GetMessageLoopProxyForThread(ChromeThread::FILE)),
-        NULL /* No suggested preference values */)));
+      prefs_.reset(PrefService::CreateUserPrefService(source_path));
       Profile::RegisterUserPrefs(prefs_.get());
       browser::RegisterAllPrefs(prefs_.get(), prefs_.get());
     }
     return prefs_.get();
   }
 };
 
 class TestInterstitialPage : public InterstitialPage {
  public:
   enum InterstitialState {
@@ skipping 1399 matching lines @@
 
   // While the interstitial is showing, let's simulate the hidden page
   // attempting to show a JS message.
   IPC::Message* dummy_message = new IPC::Message;
   bool did_suppress_message = false;
   contents()->RunJavaScriptMessage(L"This is an informative message", L"OK",
       kGURL, MessageBoxFlags::kIsJavascriptAlert, dummy_message,
       &did_suppress_message);
   EXPECT_TRUE(did_suppress_message);
 }