Fix user scripts not getting initialized.

chrome/test/testing_profile.h

 // Copyright (c) 2006-2008 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_TEST_TESTING_PROFILE_H_
 #define CHROME_TEST_TESTING_PROFILE_H_
 
 #include "base/base_paths.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
@@ skipping 88 matching lines @@
   void set_has_history_service(bool has_history_service) {
     has_history_service_ = has_history_service;
   }
   virtual WebDataService* GetWebDataService(ServiceAccessType access) {
     return NULL;
   }
   virtual PasswordStore* GetPasswordStore(ServiceAccessType access) {
     return NULL;
   }
   virtual PrefService* GetPrefs() {
-    FilePath prefs_filename;
-    PathService::Get(base::DIR_TEMP, &prefs_filename);
-    prefs_filename =
-        prefs_filename.Append(FILE_PATH_LITERAL("TestPreferences"));
     if (!prefs_.get()) {
+      FilePath prefs_filename =
+          path_.Append(FILE_PATH_LITERAL("TestPreferences"));
       prefs_.reset(new PrefService(prefs_filename, NULL));
       Profile::RegisterUserPrefs(prefs_.get());
       browser::RegisterAllPrefs(prefs_.get(), prefs_.get());
     }
     return prefs_.get();
   }
   virtual TemplateURLModel* GetTemplateURLModel() {
     return template_url_model_.get();
   }
   virtual TemplateURLFetcher* GetTemplateURLFetcher() {
@@ skipping 123 matching lines @@
 
   std::wstring id_;
 
   bool off_the_record_;
 
   // Did the last session exit cleanly? Default is true.
   bool last_session_exited_cleanly_;
 };
 
 #endif  // CHROME_TEST_TESTING_PROFILE_H_