Revert of Switch to using media::TimeSource inside media::RendererImpl.

media/filters/pipeline_integration_test_base.cc

Index: media/filters/pipeline_integration_test_base.cc
diff --git a/media/filters/pipeline_integration_test_base.cc b/media/filters/pipeline_integration_test_base.cc
index 3a3c91fa8d8de78e5f08bed4dcf9c9d16f344ad2..8edab1887a31e04f37bb46c0499906778664154c 100644
--- a/media/filters/pipeline_integration_test_base.cc
+++ b/media/filters/pipeline_integration_test_base.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/memory/scoped_vector.h"
 #include "media/base/media_log.h"
+#include "media/base/time_delta_interpolator.h"
 #include "media/filters/audio_renderer_impl.h"
 #include "media/filters/chunk_demuxer.h"
 #include "media/filters/ffmpeg_audio_decoder.h"
@@ -301,8 +302,10 @@
   // machine, valgrind).
   renderer_impl->DisableUnderflowForTesting();
 
-  if (clockless_playback_)
-    renderer_impl->EnableClocklessVideoPlaybackForTesting();
+  if (clockless_playback_) {
+    renderer_impl->SetTimeDeltaInterpolatorForTesting(
+        new TimeDeltaInterpolator(&dummy_clock_));
+  }
 
   return renderer_impl.PassAs<Renderer>();
 }