Move Extension into extensions namespace

chrome/browser/extensions/extension_protocols_unittest.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 <string>
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_protocols.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/test/mock_resource_context.h"
 #include "content/test/test_browser_thread.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_status.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
+using extensions::Extension;
 
 namespace {
 
 scoped_refptr<Extension> CreateTestExtension(const std::string& name,
                                              bool incognito_split_mode) {
   DictionaryValue manifest;
   manifest.SetString("name", name);
   manifest.SetString("version", "1");
   manifest.SetString("incognito", incognito_split_mode ? "split" : "spanning");
 
@@ skipping 113 matching lines @@
             cases[i].name;
       } else {
         EXPECT_EQ(net::ERR_ADDRESS_UNREACHABLE, request.status().error()) <<
             cases[i].name;
       }
     }
   }
 }
 
 }  // namespace