Finish removing url_constants from content/.

content/common/test_url_constants.cc

+// Copyright (c) 2011 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 "content/common/test_url_constants.h"
+
+namespace chrome {
+
+const char kTestCacheURL[] = "about:cache";
+const char kTestHangURL[] = "about:hang";
+const char kTestMemoryURL[] = "about:memory";
+const char kTestNewTabURL[] = "chrome://newtab";
+const char kTestHistoryURL[] = "chrome://history/";
+const char kTestBookmarksURL[] = "chrome://bookmarks/";
+
+}  // namespace chrome