MediaStream API: Cleaning away a bit of dead code

content/renderer/media/media_stream_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.
 
 #include "content/renderer/media/media_stream_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 425 matching lines @@
     webkit_sources[i].initialize(
         UTF8ToUTF16(source_id),
         type,
         UTF8ToUTF16(devices[i].device.name));
     MediaStreamSourceExtraData* source_extra_data(
         new content::MediaStreamSourceExtraData(
             devices[i],
             base::Bind(&MediaStreamImpl::OnLocalSourceStop, AsWeakPtr())));
     // |source_extra_data| is owned by webkit_sources[i].
     webkit_sources[i].setExtraData(source_extra_data);
-    webkit_sources[i].setDeviceId(UTF8ToUTF16(
-        base::IntToString(devices[i].session_id)));
     local_sources_.push_back(LocalStreamSource(frame, webkit_sources[i]));
   }
 }
 
 // Callback from MediaStreamDependencyFactory when the sources in |web_stream|
 // have been generated.
 void MediaStreamImpl::OnCreateNativeSourcesComplete(
     blink::WebMediaStream* web_stream,
     bool request_succeeded) {
   UserMediaRequestInfo* request_info = FindUserMediaRequestInfo(web_stream);
@@ skipping 404 matching lines @@
       enable_automatic_output_device_selection(
           enable_automatic_output_device_selection),
       frame(frame),
       request(request) {
 }
 
 MediaStreamImpl::UserMediaRequestInfo::~UserMediaRequestInfo() {
 }
 
 }  // namespace content