More DomStorage house cleaning

content/browser/in_process_webkit/session_storage_namespace_impl.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 "content/browser/in_process_webkit/session_storage_namespace_impl.h"
-
-#ifdef ENABLE_NEW_DOM_STORAGE_BACKEND
-// This class is replaced by a new implementation in
-// content/browser/dom_storage/session_storage_namespace_impl_new.h
-#else
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "content/browser/in_process_webkit/dom_storage_context_impl.h"
-#include "content/public/browser/browser_thread.h"
-
-using content::BrowserThread;
-
-SessionStorageNamespaceImpl::SessionStorageNamespaceImpl(
-    DOMStorageContextImpl* context)
-    : dom_storage_context_(context),
-      id_(dom_storage_context_->AllocateSessionStorageNamespaceId()) {
-}
-
-SessionStorageNamespaceImpl::SessionStorageNamespaceImpl(
-    DOMStorageContextImpl* context, int64 id)
-    : dom_storage_context_(context),
-      id_(id) {
-  DCHECK(dom_storage_context_);
-}
-
-SessionStorageNamespaceImpl::~SessionStorageNamespaceImpl() {
-  if (!BrowserThread::CurrentlyOn(BrowserThread::WEBKIT_DEPRECATED) &&
-      BrowserThread::PostTask(
-          BrowserThread::WEBKIT_DEPRECATED, FROM_HERE,
-          base::Bind(&DOMStorageContextImpl::DeleteSessionStorageNamespace,
-                     dom_storage_context_, id_))) {
-    return;
-  }
-
-  dom_storage_context_->DeleteSessionStorageNamespace(id_);
-}
-
-SessionStorageNamespaceImpl* SessionStorageNamespaceImpl::Clone() {
-  return new SessionStorageNamespaceImpl(
-      dom_storage_context_, dom_storage_context_->CloneSessionStorage(id_));
-}
-
-#endif  // ENABLE_NEW_DOM_STORAGE_BACKEND
-