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 173961)
+++ net/quic/quic_crypto_client_stream.h	(working copy)
@@ -21,7 +21,33 @@
   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:
+  void GenerateNonce();
+
+  bool FillClientHelloMessage(CryptoHandshakeMessage* message);
+
+  // Data members for encoding the ClientHello message.
+  // Protocol version
+  uint16 version_;
+  // Key exchange methods
+  CryptoTagVector key_exchange_;
+  // Authenticated encryption with associated data (AEAD) algorithms
+  CryptoTagVector aead_;
+  // Congestion control feedback types
+  CryptoTagVector congestion_control_;
+  // Idle connection state lifetime, in seconds
+  uint32 idle_connection_state_lifetime_;
+  // Keepalive timeout, in seconds, or 0 to turn off keepalive probes
+  uint32 keepalive_timeout_;
+  // Client's connection nonce (4-byte timestamp + 28 random bytes)
+  std::string nonce_;
+  // Server's hostname
+  std::string server_hostname_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoClientStream);
 };