Track SDP parse errors for SLD in chrome://webrtc-internals

content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc

 // Copyright 2014 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/webrtc/mock_peer_connection_dependency_factory.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 342 matching lines @@
       new rtc::RefCountedObject<MockWebRtcVideoTrack>(
           id, source));
   return track;
 }
 
 SessionDescriptionInterface*
 MockPeerConnectionDependencyFactory::CreateSessionDescription(
     const std::string& type,
     const std::string& sdp,
     webrtc::SdpParseError* error) {
+  if (fail_to_create_session_description_)
+    return nullptr;
   return new MockSessionDescription(type, sdp);
 }
 
 webrtc::IceCandidateInterface*
 MockPeerConnectionDependencyFactory::CreateIceCandidate(
     const std::string& sdp_mid,
     int sdp_mline_index,
     const std::string& sdp) {
   return new MockIceCandidate(sdp_mid, sdp_mline_index, sdp);
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 MockPeerConnectionDependencyFactory::GetWebRtcSignalingThread() const {
   return signaling_thread_.task_runner();
 }
 
+void MockPeerConnectionDependencyFactory::SetFailToCreateSessionDescription(
+    bool fail) {
+  fail_to_create_session_description_ = fail;
+}
+
 }  // namespace content