Move UserScript and related into extensions namespace

chrome/browser/extensions/extension_startup_browsertest.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 <vector>
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 83 matching lines @@
       if ((*it)->location() != extensions::Extension::COMPONENT)
         found_extensions++;
 
     ASSERT_EQ(static_cast<uint32>(num_expected_extensions),
               static_cast<uint32>(found_extensions));
     ASSERT_EQ(expect_extensions_enabled, service->extensions_enabled());
 
     ui_test_utils::WindowedNotificationObserver user_scripts_observer(
         chrome::NOTIFICATION_USER_SCRIPTS_UPDATED,
         content::NotificationService::AllSources());
-    UserScriptMaster* master = browser()->profile()->GetUserScriptMaster();
+    extensions::UserScriptMaster* master =
+        browser()->profile()->GetUserScriptMaster();
     if (!master->ScriptsReady())
       user_scripts_observer.Wait();
     ASSERT_TRUE(master->ScriptsReady());
   }
 
   void TestInjection(bool expect_css, bool expect_script) {
     // Load a page affected by the content script and test to see the effect.
     FilePath test_file;
     PathService::Get(chrome::DIR_TEST_DATA, &test_file);
     test_file = test_file.AppendASCII("extensions")
@@ skipping 145 matching lines @@
         .AppendASCII("extensions")
         .AppendASCII("app2");
     load_extensions_.push_back(fourth_extension_path.value());
   }
 };
 
 IN_PROC_BROWSER_TEST_F(ExtensionsLoadMultipleTest, Test) {
   WaitForServicesToStart(4, true);
   TestInjection(true, true);
 }