Bug Fix: Data Race For WebMediaPlayerMS' Frame Count Variable

content/renderer/media/webmediaplayer_ms_compositor.h

Index: content/renderer/media/webmediaplayer_ms_compositor.h
diff --git a/content/renderer/media/webmediaplayer_ms_compositor.h b/content/renderer/media/webmediaplayer_ms_compositor.h
index ff71f7f4cf41f56700781d7381a6781f34e2cdb5..f900873660a80c98100fadfbc5b74f446820adb1 100644
--- a/content/renderer/media/webmediaplayer_ms_compositor.h
+++ b/content/renderer/media/webmediaplayer_ms_compositor.h
@@ -64,8 +64,8 @@ class CONTENT_EXPORT WebMediaPlayerMSCompositor
   // Statistical data
   gfx::Size GetCurrentSize();
   base::TimeDelta GetCurrentTime();
-  size_t total_frame_count() const;
-  size_t dropped_frame_count() const;
+  size_t total_frame_count();
+  size_t dropped_frame_count();
 
   // VideoFrameProvider implementation.
   void SetVideoFrameProviderClient(