Revert 127573 - DOMStorageContextImpl that's implemented in terms of the new dom_storage classes. A…

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
===================================================================
--- content/browser/renderer_host/render_message_filter.cc	(revision 127574)
+++ content/browser/renderer_host/render_message_filter.cc	(working copy)
@@ -411,21 +411,9 @@
     return;
   }
 
-#ifdef ENABLE_NEW_DOM_STORAGE_BACKEND
-  // TODO(michaeln): Fix this.
-  // This is a bug in the existing impl, session storage is effectively
-  // leaked when created thru this code path (window.open()) since there
-  // is no balancing DeleteSessionStorage() for this Clone() call anywhere
-  // in the codebase. I'm replicating the bug for now.
   *cloned_session_storage_namespace_id =
-      dom_storage_context_->LeakyCloneSessionStorage(
-          params.session_storage_namespace_id);
-#else
-  *cloned_session_storage_namespace_id =
       dom_storage_context_->CloneSessionStorage(
           params.session_storage_namespace_id);
-#endif
-
   render_widget_helper_->CreateNewWindow(params,
                                          peer_handle(),
                                          route_id,