Pass chrome version and channel in CHLO message to server.

net/http/http_server_properties.h

Index: net/http/http_server_properties.h
diff --git a/net/http/http_server_properties.h b/net/http/http_server_properties.h
index 88d1f3cefba5978d3456823a69e81cc63ad44464..c8a8bf427f0b63d5de715302c91c209ad457cc1e 100644
--- a/net/http/http_server_properties.h
+++ b/net/http/http_server_properties.h
@@ -200,6 +200,12 @@ class NET_EXPORT HttpServerProperties {
   virtual const NetworkStats* GetServerNetworkStats(
       const HostPortPair& host_port_pair) const = 0;
 
+  // Saves the client version. It is passed in QUIC's CHLO message.

[ramant (doing other things), 2014/06/04 21:47:01]

I am not very happy with the comment. Would appreciate a better a comment. Will
update this comment at other places also.

+  virtual void SetClientVersion(const std::string& client_version) = 0;
+
+  // Gets the client version set via SetClientVersion.
+  virtual const std::string GetClientVersion() const = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };