Change the type for byte counts to size_t in WebMediaPlayer

content/renderer/media/webmediaplayer_ms.cc

Index: content/renderer/media/webmediaplayer_ms.cc
diff --git a/content/renderer/media/webmediaplayer_ms.cc b/content/renderer/media/webmediaplayer_ms.cc
index 808593065dbd2a466d08ed29bef14716034feb8a..d54c17ea444ac1e817b9534ebaa995c479f62bc1 100644
--- a/content/renderer/media/webmediaplayer_ms.cc
+++ b/content/renderer/media/webmediaplayer_ms.cc
@@ -353,13 +353,13 @@ unsigned WebMediaPlayerMS::droppedFrameCount() const {
   return compositor_->dropped_frame_count();
 }
 
-unsigned WebMediaPlayerMS::audioDecodedByteCount() const {
+size_t WebMediaPlayerMS::audioDecodedByteCount() const {
   DCHECK(thread_checker_.CalledOnValidThread());
   NOTIMPLEMENTED();
   return 0;
 }
 
-unsigned WebMediaPlayerMS::videoDecodedByteCount() const {
+size_t WebMediaPlayerMS::videoDecodedByteCount() const {
   DCHECK(thread_checker_.CalledOnValidThread());
   NOTIMPLEMENTED();
   return 0;