Send the ClientHello handshake message. Fix a bug in

net/quic/quic_crypto_client_stream.h

Index: net/quic/quic_crypto_client_stream.h
===================================================================
--- net/quic/quic_crypto_client_stream.h	(revision 174485)
+++ net/quic/quic_crypto_client_stream.h	(working copy)
@@ -5,6 +5,8 @@
 #ifndef NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_
 #define NET_QUIC_QUIC_CRYPTO_CLIENT_STREAM_H_
 
+#include <string>
+
 #include "net/quic/quic_crypto_stream.h"
 
 namespace net {
@@ -21,7 +23,15 @@
   virtual void OnHandshakeMessage(
       const CryptoHandshakeMessage& message) OVERRIDE;
 
+  // Performs a crypto handshake with the server. Returns true if the crypto
+  // handshake is started successfully.
+  bool CryptoConnect();
+
  private:
+  QuicClientCryptoConfig client_crypto_config_;
+  // Client's connection nonce (4-byte timestamp + 28 random bytes)
+  std::string nonce_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoClientStream);
 };