Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/extension_l10n_util_unittest.cc

 // Copyright (c) 2012 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 "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/values.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/message_bundle.h"
 #include "extensions/common/constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using extensions::kLocaleFolder;
 using extensions::kMessagesFilename;
 using extensions::MessageBundle;
 
 namespace errors = extension_manifest_errors;
-namespace keys = extension_manifest_keys;
+namespace keys = extensions::manifest_keys;
 
 namespace {
 
 TEST(ExtensionL10nUtil, GetValidLocalesEmptyLocaleFolder) {
   base::ScopedTempDir temp;
   ASSERT_TRUE(temp.CreateUniqueTempDir());
 
   base::FilePath src_path = temp.path().Append(kLocaleFolder);
   ASSERT_TRUE(file_util::CreateDirectory(src_path));
 
@@ skipping 454 matching lines @@
   std::vector<std::string> fallback_locales;
   extension_l10n_util::GetAllFallbackLocales("en_US", "all", &fallback_locales);
   ASSERT_EQ(3U, fallback_locales.size());
 
   CHECK_EQ("en_US", fallback_locales[0]);
   CHECK_EQ("en", fallback_locales[1]);
   CHECK_EQ("all", fallback_locales[2]);
 }
 
 }  // namespace