DOMStorageContextImpl that's implemented in terms of the new dom_storage classes.

content/browser/in_process_webkit/dom_storage_uitest.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_path.h"
 #include "base/file_util.h"
 #include "base/test/test_timeouts.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "chrome/test/ui/ui_layout_test.h"
 #include "content/public/common/content_switches.h"
 #include "net/base/net_util.h"
+#include "webkit/dom_storage/dom_storage_types.h"
+
+#ifdef ENABLE_NEW_DOM_STORAGE_BACKEND
+// No longer applicable.
+#else
 
 static const char* kRootFiles[] = {
   "clear.html",
 //  "complex-keys.html",  // Output too big for a cookie.  crbug.com/33472
 //  "complex-values.html",  // crbug.com/33472
   "quota.html",
   "remove-item.html",
   "window-attributes-exist.html",
   NULL
 };
@@ skipping 180 matching lines @@
   NavigateToURL(GURL("javascript:set()"));
   QuitBrowser();
   EXPECT_FALSE(StorageDirIsEmpty());
 
   LaunchBrowserAndServer();
   NavigateToURL(TestUrl());
   NavigateToURL(GURL("javascript:clear()"));
   QuitBrowser();
   EXPECT_TRUE(StorageDirIsEmpty());
 }
+
+#endif  // ENABLE_NEW_DOM_STORAGE_BACKEND