Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/manifest_handlers/offline_enabled_info.cc

 // Copyright (c) 2013 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/manifest_handlers/offline_enabled_info.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 
-namespace keys = extension_manifest_keys;
+namespace extensions {
 
-namespace extensions {
+namespace keys = manifest_keys;
 
 OfflineEnabledInfo::OfflineEnabledInfo(bool is_offline_enabled)
     : offline_enabled(is_offline_enabled) {
 }
 
 OfflineEnabledInfo::~OfflineEnabledInfo() {
 }
 
 // static
 bool OfflineEnabledInfo::IsOfflineEnabled(const Extension* extension) {
@@ skipping 33 matching lines @@
 
 bool OfflineEnabledHandler::AlwaysParseForType(Manifest::Type type) const {
   return type == Manifest::TYPE_PLATFORM_APP;
 }
 
 const std::vector<std::string> OfflineEnabledHandler::Keys() const {
   return SingleKey(keys::kOfflineEnabled);
 }
 
 }  // namespace extensions