Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/api/storage/storage_schema_manifest_handler.cc

 // Copyright 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/storage/storage_schema_manifest_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest.h"
 #include "chrome/common/extensions/permissions/api_permission.h"
 #include "components/policy/core/common/policy_schema.h"
 #include "extensions/common/install_warning.h"
+#include "extensions/common/manifest_constants.h"
 
-using extension_manifest_keys::kStorageManagedSchema;
+using extensions::manifest_keys::kStorageManagedSchema;
 
 namespace extensions {
 
 StorageSchemaManifestHandler::StorageSchemaManifestHandler() {}
 
 StorageSchemaManifestHandler::~StorageSchemaManifestHandler() {}
 
 // static
 scoped_ptr<policy::PolicySchema> StorageSchemaManifestHandler::GetSchema(
     const Extension* extension,
@@ skipping 41 matching lines @@
     std::string* error,
     std::vector<InstallWarning>* warnings) const {
   return !!GetSchema(extension, error);
 }
 
 const std::vector<std::string> StorageSchemaManifestHandler::Keys() const {
   return SingleKey(kStorageManagedSchema);
 }
 
 }  // namespace extensions