content: Put test_url_constants.* into content namespace.

content/common/test_url_constants.h

 // 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.
 
-// Contains constants for known URLs and portions thereof.
-
 #ifndef CONTENT_COMMON_TEST_URL_CONSTANTS_H_
 #define CONTENT_COMMON_TEST_URL_CONSTANTS_H_
 
-#include "content/public/common/url_constants.h"
-
-namespace chrome {
+// Contains constants for known URLs and portions thereof.
+namespace content {
 
 // Various special URLs used for testing. They have the same values as the URLs
 // in chrome/common/url_constants.h, but are duplicated here so that the reverse
 // dependency can be broken.
 
 // Various URLs used in security policy testing.
 extern const char kTestCacheURL[];
 
 // The NTP is assumed in several tests to have the property that it is WebUI.
 extern const char kTestNewTabURL[];
 
 // The History page is assumed in several tests to have the property that it is
 // WebUI. That's the case only with the ChromeBrowserContentClient
 // implementation of WebUIFactory. With a different implementation that might
 // not be the case.
 extern const char kTestHistoryURL[];
 
 // The Bookmarks page is assumed in several tests to have the property that it
 // is an extension. That's the case only with the ChromeBrowserContentClient
 // implementation of WebUIFactory. With a different implementation that might
 // not be the case.
 extern const char kTestBookmarksURL[];
 
-}  // namespace chrome
+}  // namespace content
 
 #endif  // CONTENT_COMMON_TEST_URL_CONSTANTS_H_