Protect APM in webkit builds.

webrtc/pc/rtpsender.cc

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 187 matching lines @@
   stopped_ = true;
 }
 
 void AudioRtpSender::SetAudioSend() {
   RTC_DCHECK(!stopped_ && can_send_track());
   if (!channel_) {
     LOG(LS_ERROR) << "SetAudioSend: No audio channel exists.";
     return;
   }
   cricket::AudioOptions options;
-#if !defined(WEBRTC_CHROMIUM_BUILD)
+#if !defined(WEBRTC_CHROMIUM_BUILD) && !defined(WEBRTC_WEBKIT_BUILD)
   // TODO(tommi): Remove this hack when we move CreateAudioSource out of
   // PeerConnection.  This is a bit of a strange way to apply local audio
   // options since it is also applied to all streams/channels, local or remote.
   if (track_->enabled() && track_->GetSource() &&
       !track_->GetSource()->remote()) {
     // TODO(xians): Remove this static_cast since we should be able to connect
     // a remote audio track to a peer connection.
     options = static_cast<LocalAudioSource*>(track_->GetSource())->options();
   }
 #endif
@@ skipping 181 matching lines @@
     LOG(LS_WARNING) << "SetVideoSend: No video channel exists.";
     return;
   }
   // Allow SetVideoSend to fail since |enable| is false and |source| is null.
   // This the normal case when the underlying media channel has already been
   // deleted.
   channel_->SetVideoSend(ssrc_, false, nullptr, nullptr);
 }
 
 }  // namespace webrtc