Remove volume level DCHECK in WebRtcAudioCapturer on CrOS

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 caa3606a3f3baf3314c78ba4c9f9e678cbb3d98e..2ff0d43a49527d1d245884031051a037aa1fe2cc 100644
--- a/content/renderer/media/webrtc_audio_capturer.cc
+++ b/content/renderer/media/webrtc_audio_capturer.cc
@@ -457,7 +457,7 @@ void WebRtcAudioCapturer::Capture(media::AudioBus* audio_source,
 // CaptureCallback.
 #if defined(OS_WIN) || defined(OS_MACOSX)
   DCHECK_LE(volume, 1.0);
-#elif defined(OS_LINUX) || defined(OS_OPENBSD)
+#elif (defined(OS_LINUX) && !defined(OS_CHROMEOS)) || defined(OS_OPENBSD)
   // We have a special situation on Linux where the microphone volume can be
   // "higher than maximum". The input volume slider in the sound preference
   // allows the user to set a scaling that is higher than 100%. It means that