Move Extension into extensions namespace

chrome/common/extensions/feature.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/common/extensions/feature.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/stringprintf.h"
 #include "chrome/common/chrome_switches.h"
 
 using chrome::VersionInfo;
+using extensions::Extension;
 
 namespace {
 
 struct Mappings {
   Mappings() {
     extension_types["extension"] = Extension::TYPE_EXTENSION;
     extension_types["theme"] = Extension::TYPE_THEME;
     extension_types["packaged_app"] = Extension::TYPE_PACKAGED_APP;
     extension_types["hosted_app"] = Extension::TYPE_HOSTED_APP;
     extension_types["platform_app"] = Extension::TYPE_PLATFORM_APP;
@@ skipping 337 matching lines @@
 void Feature::SetChannelForTesting(VersionInfo::Channel channel) {
   g_channel.Get().SetChannelForTesting(channel);
 }
 
 // static
 void Feature::ResetChannelForTesting() {
   g_channel.Get().ResetChannelForTesting();
 }
 
 }  // namespace