Minor cleanup of QuicSpdyServerStream and QuicSpdyClientStream.

net/tools/quic/quic_spdy_client_stream.cc

Index: net/tools/quic/quic_spdy_client_stream.cc
diff --git a/net/tools/quic/quic_spdy_client_stream.cc b/net/tools/quic/quic_spdy_client_stream.cc
index 2133e4688e1710b7499f9aad1379bb10a70dfdc7..1956c7940db42866117614d2bd0d096d747c3306 100644
--- a/net/tools/quic/quic_spdy_client_stream.cc
+++ b/net/tools/quic/quic_spdy_client_stream.cc
@@ -70,14 +70,12 @@ ssize_t QuicSpdyClientStream::SendRequest(const BalsaHeaders& headers,
   SpdyHeaderBlock header_block =
       SpdyUtils::RequestHeadersToSpdyHeaders(headers);
 
+  bool send_fin_with_headers = fin && body.empty();
   string headers_string = session()->compressor()->CompressHeadersWithPriority(
       priority(), header_block);
+  WriteOrBufferData(headers_string, send_fin_with_headers);
 
-  bool has_body = !body.empty();
-
-  WriteOrBufferData(headers_string, fin && !has_body);  // last_data
-
-  if (has_body) {
+  if (!body.empty()) {
     WriteOrBufferData(body, fin);
   }