Implement getMediaDevices.

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 727 matching lines @@
   gpu_message_filter_ = new GpuMessageFilter(GetID(), widget_helper_.get());
   AddFilter(gpu_message_filter_);
 #if defined(ENABLE_WEBRTC)
   AddFilter(new WebRTCIdentityServiceHost(
       GetID(), storage_partition_impl_->GetWebRTCIdentityStore()));
   peer_connection_tracker_host_ = new PeerConnectionTrackerHost(GetID());
   AddFilter(peer_connection_tracker_host_.get());
   AddFilter(new MediaStreamDispatcherHost(
       GetID(),
       browser_context->GetResourceContext()->GetMediaDeviceIDSalt(),
-      media_stream_manager));
+      media_stream_manager,
+      resource_context));
   AddFilter(new DeviceRequestMessageFilter(
       resource_context, media_stream_manager, GetID()));
   AddFilter(new MediaStreamTrackMetricsHost());
 #endif
 #if defined(ENABLE_PLUGINS)
   AddFilter(new PepperRendererConnection(GetID()));
 #endif
   AddFilter(new SpeechRecognitionDispatcherHost(
       GetID(), storage_partition_impl_->GetURLRequestContext()));
   AddFilter(new FileAPIMessageFilter(
@@ skipping 1489 matching lines @@
 void RenderProcessHostImpl::GpuMemoryBufferAllocated(
     IPC::Message* reply,
     const gfx::GpuMemoryBufferHandle& handle) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer::WriteReplyParams(reply,
                                                                     handle);
   Send(reply);
 }
 
 }  // namespace content