Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/manifest_tests/extension_manifests_initvalue_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/i18n/rtl.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 #include "chrome/common/extensions/manifest_url_handler.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
 namespace errors = extension_manifest_errors;
-namespace keys = extension_manifest_keys;
+namespace keys = extensions::manifest_keys;
 
 namespace extensions {
 
 class InitValueManifestTest : public ExtensionManifestTest {
 };
 
 TEST_F(InitValueManifestTest, InitFromValueInvalid) {
   Testcase testcases[] = {
     Testcase("init_invalid_version_missing.json", errors::kInvalidVersion),
     Testcase("init_invalid_version_invalid.json", errors::kInvalidVersion),
@@ skipping 124 matching lines @@
 
   // Reset locale.
 #if defined(TOOLKIT_GTK)
   gtk_widget_set_default_direction(gtk_dir);
 #else
   base::i18n::SetICUDefaultLocale(locale);
 #endif
 }
 
 }  // namespace extensions