Fix build with media_use_ffmpeg=false

content/renderer/media/webrtc/peer_connection_dependency_factory.cc

Index: content/renderer/media/webrtc/peer_connection_dependency_factory.cc
diff --git a/content/renderer/media/webrtc/peer_connection_dependency_factory.cc b/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
index 93b7f2fbef930f5cc0f39b36d14d91c76098ed39..065993d290c91daf53c22407dd568f2d31217a08 100644
--- a/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
+++ b/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
@@ -168,7 +168,7 @@ void PeerConnectionDependencyFactory::CreatePeerConnectionFactory() {
 
   DVLOG(1) << "PeerConnectionDependencyFactory::CreatePeerConnectionFactory()";
 
-#if BUILDFLAG(RTC_USE_H264)
+#if BUILDFLAG(RTC_USE_H264) && !defined(MEDIA_DISABLE_FFMPEG)
   // Building /w |rtc_use_h264|, is the corresponding run-time feature enabled?
   if (base::FeatureList::IsEnabled(kWebRtcH264WithOpenH264FFmpeg)) {
     // |H264DecoderImpl| may be used which depends on FFmpeg, therefore we need
@@ -178,7 +178,9 @@ void PeerConnectionDependencyFactory::CreatePeerConnectionFactory() {
     // Feature is to be disabled, no need to make sure FFmpeg is initialized.
     webrtc::DisableRtcUseH264();
   }
-#endif
+#else
+  webrtc::DisableRtcUseH264();
+#endif  // BUILDFLAG(RTC_USE_H264) && !defined(MEDIA_DISABLE_FFMPEG)
 
   base::MessageLoop::current()->AddDestructionObserver(this);
   // To allow sending to the signaling/worker threads.