media: Add extra logging in AudioClock.

This would help investigate a crash due to DCHECK.

BUG=481640
TEST=none
R=dalecurtis@chromium.org

Review URL: https://codereview.chromium.org/1109183002

Cr-Commit-Position: refs/heads/master@{#327381}

media/filters/audio_clock.cc

@@ -81,8 +81,8 @@ void AudioClock::WroteAudio(int frames_written,
 }
 
 base::TimeDelta AudioClock::TimeUntilPlayback(base::TimeDelta timestamp) const {
-  DCHECK(timestamp >= front_timestamp_);
-  DCHECK(timestamp <= back_timestamp_);
+  DCHECK_GE(timestamp, front_timestamp_);
+  DCHECK_LE(timestamp, back_timestamp_);
 
   int64_t frames_until_timestamp = 0;
   double timestamp_us = timestamp.InMicroseconds();