[SPDY] Add a SpdyStreamType enum and use it for SpdyStream

net/spdy/spdy_proxy_client_socket.cc

Index: net/spdy/spdy_proxy_client_socket.cc
diff --git a/net/spdy/spdy_proxy_client_socket.cc b/net/spdy/spdy_proxy_client_socket.cc
index 14d97210db4a4d58caf695032b69b67254db7c6f..176240fb6865f816e55d518a7e97c14491dd6374 100644
--- a/net/spdy/spdy_proxy_client_socket.cc
+++ b/net/spdy/spdy_proxy_client_socket.cc
@@ -435,14 +435,10 @@ int SpdyProxyClientSocket::DoReadReplyComplete(int result) {
 // SpdyStream::Delegate methods:
 // Called when SYN frame has been sent.
 // Returns true if no more data to be sent after SYN frame.
-SpdySendStatus SpdyProxyClientSocket::OnSendRequestHeadersComplete() {
+void SpdyProxyClientSocket::OnSendRequestHeadersComplete() {
   DCHECK_EQ(next_state_, STATE_SEND_REQUEST_COMPLETE);
 
   OnIOComplete(OK);
-
-  // We return true here so that we send |spdy_stream_| into
-  // STATE_OPEN (ala WebSockets).
-  return NO_MORE_DATA_TO_SEND;
 }
 
 void SpdyProxyClientSocket::OnSendBody() {