Migrate Pipeline & PipelineImpl to PipelineStatusCB.

media/tools/player_wtl/movie.cc

Index: media/tools/player_wtl/movie.cc
diff --git a/media/tools/player_wtl/movie.cc b/media/tools/player_wtl/movie.cc
index 62da5e58941286eb52f526409efd56f2312a330a..444aab88eef8b7169fc8d83337c73fe9c96c43c3 100644
--- a/media/tools/player_wtl/movie.cc
+++ b/media/tools/player_wtl/movie.cc
@@ -131,7 +131,7 @@ void Movie::SetPosition(float position) {
   int64 us = static_cast<int64>(position * 1000000);
   base::TimeDelta time = base::TimeDelta::FromMicroseconds(us);
   if (pipeline_)
-    pipeline_->Seek(time, NULL);
+    pipeline_->Seek(time, media::PipelineStatusCB());
 }
 
 
@@ -173,7 +173,7 @@ bool Movie::GetDumpYuvFileEnable() {
 // Teardown.
 void Movie::Close() {
   if (pipeline_) {
-    pipeline_->Stop(NULL);
+    pipeline_->Stop(media::PipelineStatusCB());
     pipeline_ = NULL;
   }