Support scoped_ptr in BrowserThread::DeleteOnThread.

content/browser/renderer_host/media/media_stream_ui_proxy.cc

 // Copyright 2013 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/browser/renderer_host/media/media_stream_ui_proxy.h"
 
 #include "base/command_line.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 110 matching lines @@
 
 MediaStreamUIProxy::MediaStreamUIProxy(
     RenderFrameHostDelegate* test_render_delegate)
     : weak_factory_(this) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   core_.reset(new Core(weak_factory_.GetWeakPtr(), test_render_delegate));
 }
 
 MediaStreamUIProxy::~MediaStreamUIProxy() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, core_.release());
 }
 
 void MediaStreamUIProxy::RequestAccess(
     const MediaStreamRequest& request,
     const ResponseCallback& response_callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   response_callback_ = response_callback;
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
@@ skipping 115 matching lines @@
                  devices_to_use.empty() ?
                      MEDIA_DEVICE_NO_HARDWARE :
                      MEDIA_DEVICE_OK));
 }
 
 void FakeMediaStreamUIProxy::OnStarted(
     const base::Closure& stop_callback,
     const WindowIdCallback& window_id_callback) {}
 
 }  // namespace content