Split QuicChromiumClientStreamDelegate::OnHeadersAvailable into

net/quic/chromium/quic_http_stream.cc

Index: net/quic/chromium/quic_http_stream.cc
diff --git a/net/quic/chromium/quic_http_stream.cc b/net/quic/chromium/quic_http_stream.cc
index 36e91189b06d59c899d8436358373d6eacaf5485..597f20e26342d866001e5d7a207b32e7a341f9b8 100644
--- a/net/quic/chromium/quic_http_stream.cc
+++ b/net/quic/chromium/quic_http_stream.cc
@@ -433,27 +433,31 @@ void QuicHttpStream::SetPriority(RequestPriority priority) {
   priority_ = priority;
 }
 
-void QuicHttpStream::OnHeadersAvailable(const SpdyHeaderBlock& headers,
-                                        size_t frame_len) {
+void QuicHttpStream::OnInitialHeadersAvailable(const SpdyHeaderBlock& headers,
+                                               size_t frame_len) {
+  DCHECK(!response_headers_received_);
   headers_bytes_received_ += frame_len;
 
-  // QuicHttpStream ignores trailers.
-  if (response_headers_received_) {
-    if (stream_->IsDoneReading()) {
-      // Close the read side. If the write side has been closed, this will
-      // invoke QuicHttpStream::OnClose to reset the stream.
-      stream_->OnFinRead();
-      SetResponseStatus(OK);
-    }
-    return;
-  }
-
   int rv = ProcessResponseHeaders(headers);
   if (rv != ERR_IO_PENDING && !callback_.is_null()) {
     DoCallback(rv);
   }
 }
 
+void QuicHttpStream::OnTrailingHeadersAvailable(const SpdyHeaderBlock& headers,
+                                                size_t frame_len) {
+  DCHECK(response_headers_received_);
+  headers_bytes_received_ += frame_len;
+
+  // QuicHttpStream ignores trailers.
+  if (stream_->IsDoneReading()) {
+    // Close the read side. If the write side has been closed, this will
+    // invoke QuicHttpStream::OnClose to reset the stream.
+    stream_->OnFinRead();
+    SetResponseStatus(OK);
+  }
+}
+
 void QuicHttpStream::OnDataAvailable() {
   if (callback_.is_null()) {
     // Data is available, but can't be delivered