Remove the confusing request_url argument from the constructors

net/spdy/spdy_proxy_client_socket.h

Index: net/spdy/spdy_proxy_client_socket.h
diff --git a/net/spdy/spdy_proxy_client_socket.h b/net/spdy/spdy_proxy_client_socket.h
index 43dd4b3946a066201d44c7a20871e1e17388d695..371182a739782b7e862b5e5a21e76e80a15d3e10 100644
--- a/net/spdy/spdy_proxy_client_socket.h
+++ b/net/spdy/spdy_proxy_client_socket.h
@@ -26,9 +26,6 @@
 #include "net/spdy/spdy_session.h"
 #include "net/spdy/spdy_stream.h"
 
-
-class GURL;
-
 namespace net {
 
 class AddressList;
@@ -46,7 +43,6 @@ class NET_EXPORT_PRIVATE SpdyProxyClientSocket : public ProxyClientSocket,
   SpdyProxyClientSocket(const base::WeakPtr<SpdyStream>& spdy_stream,
                         const std::string& user_agent,
                         const HostPortPair& endpoint,
-                        const GURL& url,
                         const HostPortPair& proxy_server,
                         const BoundNetLog& source_net_log,
                         HttpAuthCache* auth_cache,
@@ -149,6 +145,8 @@ class NET_EXPORT_PRIVATE SpdyProxyClientSocket : public ProxyClientSocket,
   const HostPortPair endpoint_;
   scoped_refptr<HttpAuthController> auth_;
 
+  std::string user_agent_;
+
   // We buffer the response body as it arrives asynchronously from the stream.
   SpdyReadQueue read_buffer_queue_;