Send the ClientHello handshake message. Fix a bug in

net/quic/quic_client_session.cc

Index: net/quic/quic_client_session.cc
===================================================================
--- net/quic/quic_client_session.cc	(revision 174485)
+++ net/quic/quic_client_session.cc	(working copy)
@@ -53,9 +53,11 @@
 };
 
 int QuicClientSession::CryptoConnect(const CompletionCallback& callback) {
-  CryptoHandshakeMessage message;
-  message.tag = kCHLO;
-  crypto_stream_.SendHandshakeMessage(message);
+  if (!crypto_stream_.CryptoConnect()) {
+    // TODO(wtc): change crypto_stream_.CryptoConnect() to return a
+    // QuicErrorCode and map it to a net error code.
+    return ERR_CONNECTION_FAILED;
+  }
 
   if (IsCryptoHandshakeComplete()) {
     return OK;