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 39d73ccacddc3deab06223e799742a1235506000..7dd88e31603c06ab92290ac1da04ddb426cbc8c2 100644
--- a/webkit/media/webmediaplayer_impl.cc
+++ b/webkit/media/webmediaplayer_impl.cc
@@ -160,8 +160,8 @@ 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.