Move SessionStorageNamespace entirely into NavigationController and support StoragePartitions.

webkit/dom_storage/dom_storage_session.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 "webkit/dom_storage/dom_storage_session.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/tracked_objects.h"
@@ skipping 22 matching lines @@
   context->task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&DomStorageContext::CreateSessionNamespace,
                  context_, namespace_id_, persistent_namespace_id_));
 }
 
 void DomStorageSession::SetShouldPersist(bool should_persist) {
   should_persist_ = should_persist;
 }
 
+bool DomStorageSession::IsFromContext(DomStorageContext* context) {
+  return context_.get() == context;
+}
+
 DomStorageSession* DomStorageSession::Clone() {
   return CloneFrom(context_, namespace_id_);
 }
 
 // static
 DomStorageSession* DomStorageSession::CloneFrom(DomStorageContext* context,
                                                 int64 namepace_id_to_clone) {
   int64 clone_id = context->AllocateSessionId();
   std::string persistent_clone_id = context->AllocatePersistentSessionId();
   context->task_runner()->PostTask(
@@ skipping 14 matching lines @@
 }
 
 DomStorageSession::~DomStorageSession() {
   context_->task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&DomStorageContext::DeleteSessionNamespace,
                  context_, namespace_id_, should_persist_));
 }
 
 }  // namespace dom_storage