Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/manifest_tests/extension_manifests_launch_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/command_line.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
 #include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 #include "extensions/common/error_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace errors = extension_manifest_errors;
-namespace keys = extension_manifest_keys;
+namespace keys = extensions::manifest_keys;
 
 namespace extensions {
 
 class AppLaunchManifestTest : public ExtensionManifestTest {
 };
 
 TEST_F(AppLaunchManifestTest, AppLaunchContainer) {
   scoped_refptr<Extension> extension;
 
   extension = LoadAndExpectSuccess("launch_tab.json");
@@ skipping 97 matching lines @@
 
   extension = LoadAndExpectSuccess("launch_web_url_absolute.json");
   EXPECT_EQ(GURL("http://www.google.com/launch.html"),
             AppLaunchInfo::GetFullLaunchURL(extension.get()));
   extension = LoadAndExpectSuccess("launch_web_url_localized.json");
   EXPECT_EQ(GURL("http://www.google.com/launch.html"),
             AppLaunchInfo::GetFullLaunchURL(extension.get()));
 }
 
 }  // namespace extensions