Move c/r/extensions/* into extensions namespace

chrome/test/base/chrome_render_view_test.h

 // Copyright (c) 2011 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_BASE_CHROME_RENDER_VIEW_TEST_H_
 #define CHROME_TEST_BASE_CHROME_RENDER_VIEW_TEST_H_
 
 #include <string>
 
 #include "chrome/renderer/autofill/autofill_agent.h"
 #include "chrome/renderer/chrome_mock_render_thread.h"
 #include "chrome/renderer/chrome_content_renderer_client.h"
 #include "content/public/test/render_view_test.h"
 
-class ExtensionDispatcher;
-
 namespace autofill {
 class AutofillAgent;
 class PasswordAutofillManager;
 }
 
+namespace extensions {
+class Dispatcher;
+}
+
 class ChromeRenderViewTest : public content::RenderViewTest {
  public:
   ChromeRenderViewTest();
   virtual ~ChromeRenderViewTest();
 
  protected:
   // testing::Test
   virtual void SetUp() OVERRIDE;
   virtual void TearDown() OVERRIDE;
 
   chrome::ChromeContentRendererClient chrome_content_renderer_client_;
-  ExtensionDispatcher* extension_dispatcher_;
+  extensions::Dispatcher* extension_dispatcher_;
 
   autofill::PasswordAutofillManager* password_autofill_;
   autofill::AutofillAgent* autofill_agent_;
 
   // Naked pointer as ownership is with content::RenderViewTest::render_thread_.
   ChromeMockRenderThread* chrome_render_thread_;
 };
 
 #endif  // CHROME_TEST_BASE_CHROME_RENDER_VIEW_TEST_H_