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

net/spdy/spdy_stream_test_util.cc

Index: net/spdy/spdy_stream_test_util.cc
diff --git a/net/spdy/spdy_stream_test_util.cc b/net/spdy/spdy_stream_test_util.cc
index fd1f14881d65084549d838986e4133e55a4174de..36c233ee1c00ea8f43d5cea994fc047099b2232f 100644
--- a/net/spdy/spdy_stream_test_util.cc
+++ b/net/spdy/spdy_stream_test_util.cc
@@ -20,9 +20,7 @@ ClosingDelegate::ClosingDelegate(
 
 ClosingDelegate::~ClosingDelegate() {}
 
-SpdySendStatus ClosingDelegate::OnSendRequestHeadersComplete() {
-  return NO_MORE_DATA_TO_SEND;
-}
+void ClosingDelegate::OnSendRequestHeadersComplete() {}
 
 void ClosingDelegate::OnSendBody() {
   ADD_FAILURE() << "OnSendBody should not be called";
@@ -58,11 +56,10 @@ StreamDelegateBase::StreamDelegateBase(
 StreamDelegateBase::~StreamDelegateBase() {
 }
 
-SpdySendStatus StreamDelegateBase::OnSendRequestHeadersComplete() {
+void StreamDelegateBase::OnSendRequestHeadersComplete() {
   stream_id_ = stream_->stream_id();
   EXPECT_NE(stream_id_, 0u);
   send_headers_completed_ = true;
-  return NO_MORE_DATA_TO_SEND;
 }
 
 int StreamDelegateBase::OnResponseReceived(const SpdyHeaderBlock& response,
@@ -164,11 +161,6 @@ StreamDelegateWithBody::StreamDelegateWithBody(
 StreamDelegateWithBody::~StreamDelegateWithBody() {
 }
 
-SpdySendStatus StreamDelegateWithBody::OnSendRequestHeadersComplete() {
-  StreamDelegateBase::OnSendRequestHeadersComplete();
-  return MORE_DATA_TO_SEND;
-}
-
 void StreamDelegateWithBody::OnSendBody() {
   stream()->SendStreamData(buf_.get(), buf_->size(), NO_MORE_DATA_TO_SEND);
 }