Move Extension into extensions namespace

chrome/browser/infobars/infobar_extension_api.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/infobars/infobar_extension_api.h"
 
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_infobar_delegate.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/extension_tabs_module_constants.h"
 #include "chrome/browser/extensions/extension_window_controller.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 
+using extensions::Extension;
+
 namespace {
 
 const char kHtmlPath[] = "path";
 const char kTabId[] = "tabId";
 const char kHeight[] = "height";
 
 const char kNoCurrentWindowError[] = "No current browser window was found";
 const char kTabNotFoundError[] = "Specified tab (or default tab) not found";
 
 }  // namespace
@@ skipping 34 matching lines @@
   tab_contents->infobar_tab_helper()->AddInfoBar(
       new ExtensionInfoBarDelegate(browser, tab_contents->infobar_tab_helper(),
                                    GetExtension(), url, height));
 
   // TODO(finnur): Return the actual DOMWindow object. Bug 26463.
   DCHECK(browser->extension_window_controller());
   result_.reset(browser->extension_window_controller()->CreateWindowValue());
 
   return true;
 }