Add a Preference to allow WebRTC only bind to "any address" (all 0s)

content/renderer/media/rtc_peer_connection_handler.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/rtc_peer_connection_handler.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 12 matching lines @@
 #include "content/renderer/media/remote_media_stream_impl.h"
 #include "content/renderer/media/rtc_data_channel_handler.h"
 #include "content/renderer/media/rtc_dtmf_sender_handler.h"
 #include "content/renderer/media/rtc_media_constraints.h"
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 #include "content/renderer/media/webrtc/webrtc_media_stream_adapter.h"
 #include "content/renderer/media/webrtc_audio_capturer.h"
 #include "content/renderer/media/webrtc_audio_device_impl.h"
 #include "content/renderer/media/webrtc_uma_histograms.h"
 #include "content/renderer/render_thread_impl.h"
+#include "content/renderer/render_view_impl.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/WebKit/public/platform/WebRTCConfiguration.h"
 #include "third_party/WebKit/public/platform/WebRTCDataChannelInit.h"
 #include "third_party/WebKit/public/platform/WebRTCICECandidate.h"
 #include "third_party/WebKit/public/platform/WebRTCOfferOptions.h"
 #include "third_party/WebKit/public/platform/WebRTCSessionDescription.h"
 #include "third_party/WebKit/public/platform/WebRTCSessionDescriptionRequest.h"
 #include "third_party/WebKit/public/platform/WebRTCVoidRequest.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
+#include "third_party/WebKit/public/web/WebFrame.h"
 
 using webrtc::DataChannelInterface;
 using webrtc::IceCandidateInterface;
 using webrtc::MediaStreamInterface;
 using webrtc::PeerConnectionInterface;
 using webrtc::PeerConnectionObserver;
 using webrtc::StatsReport;
 using webrtc::StatsReports;
 
 namespace content {
@@ skipping 677 matching lines @@
   if (options.iceRestart()) {
     output->AddMandatory(
         webrtc::MediaConstraintsInterface::kIceRestart, "true", true);
   }
 }
 
 void RTCPeerConnectionHandler::associateWithFrame(blink::WebFrame* frame) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(frame);
   frame_ = frame;
+
+  // Copy the flag from Preference associated with this WebFrame.
+  RenderViewImpl* renderer_view_impl =
+      RenderViewImpl::FromWebView(frame_->view());
+  if (renderer_view_impl && dependency_factory_) {
+    dependency_factory_->set_disable_multiple_routes(
+        renderer_view_impl->renderer_preferences()
+            .disable_webrtc_multiple_routes);
+  }
 }
 
 bool RTCPeerConnectionHandler::initialize(
     const blink::WebRTCConfiguration& server_configuration,
     const blink::WebMediaConstraints& options) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(frame_);
 
   peer_connection_tracker_ =
       RenderThreadImpl::current()->peer_connection_tracker()->AsWeakPtr();
@@ skipping 710 matching lines @@
     base::WaitableEvent event(false, false);
     thread->PostTask(FROM_HERE,
         base::Bind(&RunSynchronousClosure, closure,
                    base::Unretained(trace_event_name),
                    base::Unretained(&event)));
     event.Wait();
   }
 }
 
 }  // namespace content