Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/api/managed_mode_private/managed_mode_handler.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/api/managed_mode_private/managed_mode_handler.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "extensions/common/error_utils.h"
 
-namespace keys = extension_manifest_keys;
+namespace extensions {
 
-namespace extensions {
+namespace keys = manifest_keys;
 
 ManagedModeInfo::ManagedModeInfo() {
 }
 
 ManagedModeInfo::~ManagedModeInfo() {
 }
 
 // static
 bool ManagedModeInfo::IsContentPack(const Extension* extension) {
   ManagedModeInfo* info = static_cast<ManagedModeInfo*>(
@@ skipping 63 matching lines @@
 
 bool ManagedModeHandler::LoadConfigurations(
     ManagedModeInfo* info,
     const base::DictionaryValue* content_pack_value,
     string16* error) {
   NOTIMPLEMENTED();
   return true;
 }
 
 }  // namespace extensions