Move Extension into extensions namespace

chrome/browser/extensions/extension_override_apitest.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/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 99 matching lines @@
     ResultCatcher catcher;
     // Navigate to the history page.  The overridden history page
     // will call chrome.test.notifyPass() .
     ui_test_utils::NavigateToURL(browser(), GURL("chrome://history/"));
     ASSERT_TRUE(catcher.GetNextResult());
   }
 }
 
 // Regression test for http://crbug.com/41442.
 IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, ShouldNotCreateDuplicateEntries) {
-  const Extension* extension =
+  const extensions::Extension* extension =
       LoadExtension(test_data_dir_.AppendASCII("override/history"));
   ASSERT_TRUE(extension);
 
   // Simulate several LoadExtension() calls happening over the lifetime of
   // a preferences file without corresponding UnloadExtension() calls.
   for (size_t i = 0; i < 3; ++i) {
     ExtensionWebUI::RegisterChromeURLOverrides(
         browser()->profile(),
         extension->GetChromeURLOverrides());
   }
@@ skipping 26 matching lines @@
 #if defined(USE_VIRTUAL_KEYBOARD)
 IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, OverrideKeyboard) {
   ASSERT_TRUE(RunExtensionTest("override/keyboard")) << message_;
   {
     ResultCatcher catcher;
     NavigateToKeyboard();
     ASSERT_TRUE(catcher.GetNextResult());
   }
 
   // Load the failing version.  This should take precedence.
-  const Extension* extension = LoadExtension(
+  const extensions::Extension* extension = LoadExtension(
       test_data_dir_.AppendASCII("override").AppendASCII("keyboard_fails"));
   ASSERT_TRUE(extension);
   {
     ResultCatcher catcher;
     NavigateToKeyboard();
     ASSERT_FALSE(catcher.GetNextResult());
   }
 
   // Unload the failing version.  We should be back to passing now.
   UnloadExtension(extension->id());
   {
     ResultCatcher catcher;
     NavigateToKeyboard();
     ASSERT_TRUE(catcher.GetNextResult());
   }
 }
 #endif