Move SessionStorageNamespace entirely into NavigationController and support StoragePartitions.

chrome/browser/extensions/extension_host.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 "chrome/browser/extensions/extension_host.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/memory/singleton.h"
@@ skipping 122 matching lines @@
           site_instance->GetBrowserContext())),
       render_view_host_(NULL),
       did_stop_loading_(false),
       document_element_available_(false),
       initial_url_(url),
       ALLOW_THIS_IN_INITIALIZER_LIST(
           extension_function_dispatcher_(profile_, this)),
       extension_host_type_(host_type),
       associated_web_contents_(NULL) {
   host_contents_.reset(WebContents::Create(
-      profile_, site_instance, MSG_ROUTING_NONE, NULL, NULL));
+      profile_, site_instance, MSG_ROUTING_NONE, NULL));
   content::WebContentsObserver::Observe(host_contents_.get());
   host_contents_->SetDelegate(this);
   chrome::SetViewType(host_contents_.get(), host_type);
 
   prefs_tab_helper_.reset(new PrefsTabHelper(host_contents()));
 
   render_view_host_ = host_contents_->GetRenderViewHost();
 
   // Listen for when an extension is unloaded from the same profile, as it may
   // be the same extension that this points to.
@@ skipping 440 matching lines @@
 }
 
 void ExtensionHost::RenderViewReady() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_HOST_CREATED,
       content::Source<Profile>(profile_),
       content::Details<ExtensionHost>(this));
 }
 
 }  // namespace extensions