DomStorage house cleaning

content/renderer/renderer_webstoragenamespace_impl.cc

 // Copyright (c) 2010 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/renderer/renderer_webstoragenamespace_impl.h"
 
 #include "base/logging.h"
 #include "content/renderer/renderer_webstoragearea_impl.h"
 
 using WebKit::WebStorageArea;
 using WebKit::WebStorageNamespace;
 using WebKit::WebString;
 
-RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl(
-    DOMStorageType storage_type)
-    : namespace_id_(kLocalStorageNamespaceId) {
-  DCHECK(storage_type == DOM_STORAGE_LOCAL);
+RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl()
+    : namespace_id_(dom_storage::kLocalStorageNamespaceId) {
 }
 
 RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl(
-    DOMStorageType storage_type, int64 namespace_id)
+    int64 namespace_id)
     : namespace_id_(namespace_id) {
-  DCHECK(storage_type == DOM_STORAGE_SESSION);
+  DCHECK_NE(dom_storage::kInvalidSessionStorageNamespaceId, namespace_id);
 }
 
 RendererWebStorageNamespaceImpl::~RendererWebStorageNamespaceImpl() {
 }
 
 WebStorageArea* RendererWebStorageNamespaceImpl::createStorageArea(
     const WebString& origin) {
   // Ideally, we'd keep a hash map of origin to these objects.  Unfortunately
   // this doesn't seem practical because there's no good way to ref-count these
   // objects, and it'd be unclear who owned them.  So, instead, we'll pay the
   // price in terms of wasted memory.
   return new RendererWebStorageAreaImpl(namespace_id_, origin);
 }
 
 WebStorageNamespace* RendererWebStorageNamespaceImpl::copy() {
   // By returning NULL, we're telling WebKit to lazily fetch it the next time
   // session storage is used.  In the WebViewClient::createView, we do the
   // book-keeping necessary to make it a true copy-on-write despite not doing
   // anything here, now.
   return NULL;
 }
 
 void RendererWebStorageNamespaceImpl::close() {
-  // This is called only on LocalStorage namespaces when WebKit thinks its
-  // shutting down.  This has no impact on Chromium.
+  // TOOD(michaeln): remove this deprecated method.
 }