Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/api/plugins/plugins_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/plugins/plugins_handler.h"
 
 #include "base/file_util.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 "chrome/common/extensions/manifest.h"
 #include "chrome/common/extensions/permissions/api_permission.h"
 #include "chrome/common/extensions/permissions/api_permission_set.h"
 #include "chrome/common/extensions/permissions/permissions_data.h"
 #include "extensions/common/error_utils.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(OS_WIN)
 #include "base/win/metro.h"
 #endif
 
-namespace keys = extension_manifest_keys;
+namespace extensions {
 
-namespace extensions {
+namespace keys = manifest_keys;
 
 namespace {
 
 struct PluginManifestData : Extension::ManifestData {
   // Optional list of NPAPI plugins and associated properties for an extension.
   PluginInfo::PluginVector plugins;
 };
 
 }  // namespace
 
@@ skipping 104 matching lines @@
             IDS_EXTENSION_LOAD_PLUGIN_PATH_FAILED,
             plugin->path.LossyDisplayName());
       return false;
       }
     }
   }
   return true;
 }
 
 }  // namespace extensions