Silence INFO logging in net/tools/quic/ and use VLOG(1) instead.

net/tools/quic/quic_spdy_server_stream.cc

Index: net/tools/quic/quic_spdy_server_stream.cc
diff --git a/net/tools/quic/quic_spdy_server_stream.cc b/net/tools/quic/quic_spdy_server_stream.cc
index eba81393a3ec247d88b4686a74b31a3a0e0b433a..bdae62f638bcd86120a4be7ec4493f5c8b55ff65 100644
--- a/net/tools/quic/quic_spdy_server_stream.cc
+++ b/net/tools/quic/quic_spdy_server_stream.cc
@@ -97,12 +97,12 @@ void QuicSpdyServerStream::SendResponse() {
     return;
   }
 
-  DLOG(INFO) << "Sending response for stream " << id();
+  DVLOG(1) << "Sending response for stream " << id();
   SendHeadersAndBody(response->headers(), response->body());
 }
 
 void QuicSpdyServerStream::SendErrorResponse() {
-  DLOG(INFO) << "Sending error response for stream " << id();
+  DVLOG(1) << "Sending error response for stream " << id();
   BalsaHeaders headers;
   headers.SetResponseFirstlineFromStringPieces(
       "HTTP/1.1", "500", "Server Error");