Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/api/commands/commands_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/commands/commands_handler.h"
 
 #include "base/strings/string_number_conversions.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;
 
 namespace {
 // The maximum number of commands (including page action/browser actions) with a
 // keybinding an extension can have.
 const int kMaxCommandsWithKeybindingPerExtension = 4;
 }  // namespace
 
 CommandsInfo::CommandsInfo() {
 }
 
@@ skipping 116 matching lines @@
                     string16(),
                     std::string()));
   }
 }
 
 const std::vector<std::string> CommandsHandler::Keys() const {
   return SingleKey(keys::kCommands);
 }
 
 }  // namespace extensions