Remove reference counting from media::Pipeline.

webkit/media/webmediaplayer_impl.cc

Index: webkit/media/webmediaplayer_impl.cc
diff --git a/webkit/media/webmediaplayer_impl.cc b/webkit/media/webmediaplayer_impl.cc
index a589f16231419890a83cf851e70b8b0e6e24a98d..0c35fe11c2355634218a885998d36a6dd5eddd3c 100644
--- a/webkit/media/webmediaplayer_impl.cc
+++ b/webkit/media/webmediaplayer_impl.cc
@@ -150,8 +150,8 @@ WebMediaPlayerImpl::WebMediaPlayerImpl(
       media_log_->CreateEvent(media::MediaLogEvent::WEBMEDIAPLAYER_CREATED));
 
   CHECK(media_thread_.Start());
-  pipeline_ = new media::Pipeline(
-      media_thread_.message_loop_proxy(), media_log_);
+  pipeline_.reset(new media::Pipeline(
+      media_thread_.message_loop_proxy(), media_log_));
 
   // Let V8 know we started new thread if we did not do it yet.
   // Made separate task to avoid deletion of player currently being created.
@@ -1204,6 +1204,7 @@ void WebMediaPlayerImpl::Destroy() {
   media_thread_.Stop();
 
   // Release any final references now that everything has stopped.
+  pipeline_.reset();
   demuxer_.reset();
   data_source_.reset();
 }