Prevent AudioLowLatencyInputMac from changing frame sizes.

media/base/audio_bus.cc

Index: media/base/audio_bus.cc
diff --git a/media/base/audio_bus.cc b/media/base/audio_bus.cc
index 9ff6ccd129612052a104771896a259c47c31d82d..677a0c7a350c21edeb7842a14c283833df90768c 100644
--- a/media/base/audio_bus.cc
+++ b/media/base/audio_bus.cc
@@ -290,8 +290,8 @@ void AudioBus::ToInterleaved(int frames, int bytes_per_sample,
 }
 
 void AudioBus::CopyTo(AudioBus* dest) const {
-  DCHECK_EQ(channels(), dest->channels());
-  DCHECK_EQ(frames(), dest->frames());
+  CHECK_EQ(channels(), dest->channels());
+  CHECK_EQ(frames(), dest->frames());
 
   // Since we don't know if the other AudioBus is wrapped or not (and we don't
   // want to care), just copy using the public channel() accessors.