Move SessionStorageNamespace entirely into NavigationController and support StoragePartitions.

ui/views/controls/webview/webview.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 "ui/views/controls/webview/webview.h"
 
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 231 matching lines @@
   content::WebContents* contents = NULL;
   if (ViewsDelegate::views_delegate) {
     contents = ViewsDelegate::views_delegate->CreateWebContents(
         browser_context, site_instance);
   }
 
   if (!contents) {
     return content::WebContents::Create(browser_context,
                                         site_instance,
                                         MSG_ROUTING_NONE,
-                                        NULL,
                                         NULL);
   }
 
   return contents;
 }
 
 }  // namespace views