Move small c/b/extensions classes into extensions namespace no.2

chrome/browser/ui/views/ash/launcher/chrome_launcher_controller_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 "chrome/browser/ui/views/ash/launcher/chrome_launcher_controller.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
@@ skipping 20 matching lines @@
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/window.h"
 
 using extensions::Extension;
 using content::WebContents;
 
-typedef PlatformAppBrowserTest LauncherPlatformAppBrowserTest;
+typedef extensions::PlatformAppBrowserTest LauncherPlatformAppBrowserTest;
 
 class LauncherAppBrowserTest : public ExtensionBrowserTest {
  protected:
   LauncherAppBrowserTest()
       : launcher_(NULL),
         model_(NULL) {
   }
 
   virtual ~LauncherAppBrowserTest() {}
 
@@ skipping 531 matching lines @@
   // Navigate away.
   ui_test_utils::NavigateToURL(
       browser(), GURL("http://www.example.com/path0/bar.html"));
   EXPECT_EQ(ash::STATUS_CLOSED, (*model_->ItemByID(shortcut_id)).status);
 
   // Navigate back.
   ui_test_utils::NavigateToURL(
       browser(), GURL("http://www.example.com/path1/foo.html"));
   EXPECT_EQ(ash::STATUS_ACTIVE, (*model_->ItemByID(shortcut_id)).status);
 }