s/SYN_STREAM/HEADERS/ in frame types, method names, comments.

net/spdy/spdy_http_stream.h

Index: net/spdy/spdy_http_stream.h
diff --git a/net/spdy/spdy_http_stream.h b/net/spdy/spdy_http_stream.h
index fcf3d4e74de5c4ee4e584e16683643c3afec3d98..83829a5050964675adc92096ec2d50f1895426a5 100644
--- a/net/spdy/spdy_http_stream.h
+++ b/net/spdy/spdy_http_stream.h
@@ -155,7 +155,7 @@ class NET_EXPORT_PRIVATE SpdyHttpStream : public SpdyStream::Delegate,
   const HttpRequestInfo* request_info_;
 
   // |response_info_| is the HTTP response data object which is filled in
-  // when a SYN_REPLY comes in for the stream.
+  // when a response HEADERS comes in for the stream.
   // It is not owned by this stream object, or point to |push_response_info_|.
   HttpResponseInfo* response_info_;