Fix muted audio when playback rate != 1.0 or 0.0

content/renderer/media/audio_hardware.cc

Index: content/renderer/media/audio_hardware.cc
diff --git a/content/renderer/media/audio_hardware.cc b/content/renderer/media/audio_hardware.cc
index c4470719b8551d3a92744530d5c00eeb3791a1d4..8fca8e55f98b7e789cfa7006611a1e33f7e96147 100644
--- a/content/renderer/media/audio_hardware.cc
+++ b/content/renderer/media/audio_hardware.cc
@@ -49,6 +49,11 @@ size_t GetOutputBufferSize() {
 }
 
 size_t GetHighLatencyOutputBufferSize(int sample_rate) {
+  // TODO(vrk/crogers): The buffer sizes that this function computes is probably
+  // overly conservative. However, reducing the buffer size to 2048-8192 bytes
+  // caused crbug.com/108396. This computation should be revisited while making
+  // sure crbug.com/108396 doesn't happen again.
+
   // The minimum number of samples in a hardware packet.
   // This value is selected so that we can handle down to 5khz sample rate.
   static const size_t kMinSamplesPerHardwarePacket = 1024;