Handle audio device changes on Windows.

media/audio/audio_parameters.cc

Index: media/audio/audio_parameters.cc
diff --git a/media/audio/audio_parameters.cc b/media/audio/audio_parameters.cc
index eaa06070f2ad535f5d60f6e975f8d36e24b8daef..0d9263ff5a6fdd2e7122342dae02e26e6d9fc099 100644
--- a/media/audio/audio_parameters.cc
+++ b/media/audio/audio_parameters.cc
@@ -66,26 +66,4 @@ int AudioParameters::GetBytesPerFrame() const {
   return channels_ * bits_per_sample_ / 8;
 }
 
-bool AudioParameters::Compare::operator()(
-    const AudioParameters& a,
-    const AudioParameters& b) const {
-  if (a.format_ < b.format_)
-    return true;
-  if (a.format_ > b.format_)
-    return false;
-  if (a.channels_ < b.channels_)
-    return true;
-  if (a.channels_ > b.channels_)
-    return false;
-  if (a.sample_rate_ < b.sample_rate_)
-    return true;
-  if (a.sample_rate_ > b.sample_rate_)
-    return false;
-  if (a.bits_per_sample_ < b.bits_per_sample_)
-    return true;
-  if (a.bits_per_sample_ > b.bits_per_sample_)
-    return false;
-  return a.frames_per_buffer_ < b.frames_per_buffer_;
-}
-
 }  // namespace media