Use scoped_ptr::Pass instead of scoped_ptr::PassAs<T>.

media/cast/test/utility/udp_proxy.cc

Index: media/cast/test/utility/udp_proxy.cc
diff --git a/media/cast/test/utility/udp_proxy.cc b/media/cast/test/utility/udp_proxy.cc
index b5a4a4eab3b9fab4187c1ba276dbc2522eac7f99..a7708340a567c0f64cc9c15da878aea4de81241a 100644
--- a/media/cast/test/utility/udp_proxy.cc
+++ b/media/cast/test/utility/udp_proxy.cc
@@ -451,7 +451,7 @@ scoped_ptr<PacketPipe> InterruptedPoissonProcess::NewBuffer(size_t size) {
   scoped_ptr<InternalBuffer> buffer(
       new InternalBuffer(weak_factory_.GetWeakPtr(), size));
   send_buffers_.push_back(buffer->GetWeakPtr());
-  return buffer.PassAs<PacketPipe>();
+  return buffer.Pass();
 }
 
 base::TimeDelta InterruptedPoissonProcess::NextEvent(double rate) {