Fix build with media_use_ffmpeg=false

content/renderer/media/webrtc/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/peer_connection_dependency_factory.h"
 
 #include <stddef.h>
 
 #include <utility>
 #include <vector>
@@ skipping 150 matching lines @@
   DCHECK(!pc_factory_.get());
   DCHECK(!signaling_thread_);
   DCHECK(!worker_thread_);
   DCHECK(!network_manager_);
   DCHECK(!socket_factory_);
   DCHECK(!chrome_signaling_thread_.IsRunning());
   DCHECK(!chrome_worker_thread_.IsRunning());
 
   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
     // to initialize FFmpeg before going further.
     media::FFmpegGlue::InitializeFFmpeg();
   } else {
     // 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.
   jingle_glue::JingleThreadWrapper::EnsureForCurrentMessageLoop();
   jingle_glue::JingleThreadWrapper::current()->set_send_allowed(true);
 
   EnsureWebRtcAudioDeviceImpl();
 
   CHECK(chrome_signaling_thread_.Start());
   CHECK(chrome_worker_thread_.Start());
@@ skipping 383 matching lines @@
 
 void PeerConnectionDependencyFactory::EnsureWebRtcAudioDeviceImpl() {
   DCHECK(CalledOnValidThread());
   if (audio_device_.get())
     return;
 
   audio_device_ = new WebRtcAudioDeviceImpl();
 }
 
 }  // namespace content