Fix GetPairedOutputParameters

content/renderer/media/webrtc_audio_capturer.cc

Index: content/renderer/media/webrtc_audio_capturer.cc
diff --git a/content/renderer/media/webrtc_audio_capturer.cc b/content/renderer/media/webrtc_audio_capturer.cc
index aa3ecf8627f84ca4165d481afd14b50388faf291..3362e1dae2fe882d69a433aae397b4db1da59762 100644
--- a/content/renderer/media/webrtc_audio_capturer.cc
+++ b/content/renderer/media/webrtc_audio_capturer.cc
@@ -453,11 +453,15 @@ bool WebRtcAudioCapturer::GetPairedOutputParameters(
     int* session_id,
     int* output_sample_rate,
     int* output_frames_per_buffer) const {
+  // Don't set output parameters unless all of them are valid.
+  if (session_id_ <= 0 || !output_sample_rate_ || !output_frames_per_buffer_)
+    return false;
+
   *session_id = session_id_;
   *output_sample_rate = output_sample_rate_;
   *output_frames_per_buffer = output_frames_per_buffer_;
-  return session_id_ > 0 && output_sample_rate_ > 0 &&
-      output_frames_per_buffer_> 0;
+
+  return true;
 }
 
 int WebRtcAudioCapturer::GetBufferSize(int sample_rate) const {