Replace erroneous use of base::Time with base::TimeTicks throughout media code.

media/audio/mac/audio_input_mac.cc

Index: media/audio/mac/audio_input_mac.cc
diff --git a/media/audio/mac/audio_input_mac.cc b/media/audio/mac/audio_input_mac.cc
index c2a3696230683f7a24f336691b16698bd4735ab3..06af6d11c120eafb9f701e3ee7fc234369b07b72 100644
--- a/media/audio/mac/audio_input_mac.cc
+++ b/media/audio/mac/audio_input_mac.cc
@@ -197,7 +197,7 @@ void PCMQueueInAudioInputStream::HandleInputBuffer(
     // TODO(dalecurtis): This is a HACK.  Long term the AudioQueue path is going
     // away in favor of the AudioUnit based AUAudioInputStream().  Tracked by
     // http://crbug.com/161383.
-    base::TimeDelta elapsed = base::Time::Now() - last_fill_;
+    base::TimeDelta elapsed = base::TimeTicks::Now() - last_fill_;
     const base::TimeDelta kMinDelay = base::TimeDelta::FromMilliseconds(5);
     if (elapsed < kMinDelay)
       base::PlatformThread::Sleep(kMinDelay - elapsed);
@@ -208,7 +208,7 @@ void PCMQueueInAudioInputStream::HandleInputBuffer(
                       audio_buffer->mAudioDataByteSize,
                       0.0);
 
-    last_fill_ = base::Time::Now();
+    last_fill_ = base::TimeTicks::Now();
   }
   // Recycle the buffer.
   OSStatus err = QueueNextBuffer(audio_buffer);