[Tests not passing yet] Remove prerender sessionStorage namespace merging.

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 737 matching lines @@
       media_stream_manager);
   AddFilter(audio_renderer_host_.get());
   AddFilter(
       new MidiHost(GetID(), BrowserMainLoop::GetInstance()->midi_manager()));
   AddFilter(new VideoCaptureHost(media_stream_manager));
   AddFilter(new AppCacheDispatcherHost(
       storage_partition_impl_->GetAppCacheService(),
       GetID()));
   AddFilter(new ClipboardMessageFilter);
   AddFilter(new DOMStorageMessageFilter(
-      GetID(),
       storage_partition_impl_->GetDOMStorageContext()));
   AddFilter(new IndexedDBDispatcherHost(
       GetID(),
       storage_partition_impl_->GetURLRequestContext(),
       storage_partition_impl_->GetIndexedDBContext(),
       ChromeBlobStorageContext::GetFor(browser_context)));
 
   gpu_message_filter_ = new GpuMessageFilter(GetID(), widget_helper_.get());
   AddFilter(gpu_message_filter_);
 #if defined(ENABLE_WEBRTC)
@@ skipping 1544 matching lines @@
 
 void RenderProcessHostImpl::DecrementWorkerRefCount() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK_GT(worker_ref_count_, 0);
   --worker_ref_count_;
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 }  // namespace content