Index: media/cast/cast_environment.h |
diff --git a/media/cast/cast_environment.h b/media/cast/cast_environment.h |
index 112909173595215479ab91353d87c9abcd625ebb..79a2cf82b2e5a7d7f41dad1e930534682dc2ff19 100644 |
--- a/media/cast/cast_environment.h |
+++ b/media/cast/cast_environment.h |
@@ -33,6 +33,8 @@ class CastEnvironment : public base::RefCountedThreadSafe<CastEnvironment> { |
VIDEO_DECODER, |
}; |
+ // For real applications (not tests) the clock provided should be a |
+ // CastNtpTickClock. |
CastEnvironment(base::TickClock* clock, |
scoped_refptr<base::TaskRunner> main_thread_proxy, |
scoped_refptr<base::TaskRunner> audio_encode_thread_proxy, |