Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/api/spellcheck/spellcheck_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/spellcheck/spellcheck_handler.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 
 namespace extensions {
 
-namespace keys = extension_manifest_keys;
+namespace keys = extensions::manifest_keys;
 namespace errors = extension_manifest_errors;
 
 SpellcheckDictionaryInfo::SpellcheckDictionaryInfo() {
 }
 
 SpellcheckDictionaryInfo::~SpellcheckDictionaryInfo() {
 }
 
 SpellcheckHandler::SpellcheckHandler() {
 }
@@ skipping 36 matching lines @@
   }
   extension->SetManifestData(keys::kSpellcheck, spellcheck_info.release());
   return true;
 }
 
 const std::vector<std::string> SpellcheckHandler::Keys() const {
   return SingleKey(keys::kSpellcheck);
 }
 
 }  // namespace extensions