Hook up new DomStorage backing for for single-process chromium too.

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
===================================================================
--- content/renderer/renderer_webkitplatformsupport_impl.cc	(revision 127736)
+++ content/renderer/renderer_webkitplatformsupport_impl.cc	(working copy)
@@ -311,21 +311,29 @@
 WebStorageNamespace*
 RendererWebKitPlatformSupportImpl::createLocalStorageNamespace(
     const WebString& path, unsigned quota) {
+#ifdef ENABLE_NEW_DOM_STORAGE_BACKEND
+  return new RendererWebStorageNamespaceImpl(DOM_STORAGE_LOCAL);
+#else
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess))
     return WebStorageNamespace::createLocalStorageNamespace(path, quota);
   return new RendererWebStorageNamespaceImpl(DOM_STORAGE_LOCAL);
+#endif
 }
 
 void RendererWebKitPlatformSupportImpl::dispatchStorageEvent(
     const WebString& key, const WebString& old_value,
     const WebString& new_value, const WebString& origin,
     const WebKit::WebURL& url, bool is_local_storage) {
+#ifdef ENABLE_NEW_DOM_STORAGE_BACKEND
+  NOTREACHED();
+#else
   DCHECK(CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess));
   // Inefficient, but only used in single process mode.
   scoped_ptr<WebStorageEventDispatcher> event_dispatcher(
       WebStorageEventDispatcher::create());
   event_dispatcher->dispatchStorageEvent(key, old_value, new_value, origin,
                                          url, is_local_storage);
+#endif
 }
 
 //------------------------------------------------------------------------------