Switch LiveAudio to source provider solution.

content/renderer/media/rtc_peer_connection_handler_unittest.cc

Index: content/renderer/media/rtc_peer_connection_handler_unittest.cc
diff --git a/content/renderer/media/rtc_peer_connection_handler_unittest.cc b/content/renderer/media/rtc_peer_connection_handler_unittest.cc
index 0b7a75b9853c2a4e2f66f1135d057804b1688b1f..9528cbe6714c8ad2cbaa993769e6363ddbe20946 100644
--- a/content/renderer/media/rtc_peer_connection_handler_unittest.cc
+++ b/content/renderer/media/rtc_peer_connection_handler_unittest.cc
@@ -253,7 +253,7 @@ class RTCPeerConnectionHandlerTest : public ::testing::Test {
     RTCMediaConstraints audio_constraints(audio_source.constraints());
     scoped_refptr<webrtc::AudioTrackInterface> audio_track(
         mock_dependency_factory_->CreateLocalAudioTrack(
-            audio_track_id, capturer, NULL,
+            audio_track_id, capturer, NULL, NULL,
             &audio_constraints));
     native_stream->AddTrack(audio_track.get());
 
@@ -291,6 +291,7 @@ class RTCPeerConnectionHandlerTest : public ::testing::Test {
           mock_dependency_factory_->CreateLocalAudioTrack(audio_track_label,
                                                           capturer,
                                                           NULL,
+                                                          NULL,
                                                           NULL));
       stream->AddTrack(audio_track.get());
     }