Move NextProto enum to a new file net/socket/next_proto.h

net/http/http_proxy_client_socket.h

Index: net/http/http_proxy_client_socket.h
diff --git a/net/http/http_proxy_client_socket.h b/net/http/http_proxy_client_socket.h
index db6f7e05aa6cd7a9f21c42e9d802f8b6fb2e9d80..e0c998082bda3972df485c0d512ac7c6e439bd79 100644
--- a/net/http/http_proxy_client_socket.h
+++ b/net/http/http_proxy_client_socket.h
@@ -46,7 +46,7 @@ class HttpProxyClientSocket : public ProxyClientSocket {
                         HttpAuthHandlerFactory* http_auth_handler_factory,
                         bool tunnel,
                         bool using_spdy,
-                        SSLClientSocket::NextProto protocol_negotiated,
+                        NextProto protocol_negotiated,
                         bool is_https_proxy);
 
   // On destruction Disconnect() is called.
@@ -59,7 +59,7 @@ class HttpProxyClientSocket : public ProxyClientSocket {
   virtual const scoped_refptr<HttpAuthController>& GetAuthController() const
       OVERRIDE;
   virtual bool IsUsingSpdy() const OVERRIDE;
-  virtual SSLClientSocket::NextProto GetProtocolNegotiated() const OVERRIDE;
+  virtual NextProto GetProtocolNegotiated() const OVERRIDE;
 
   // StreamSocket implementation.
   virtual int Connect(const CompletionCallback& callback) OVERRIDE;
@@ -151,7 +151,7 @@ class HttpProxyClientSocket : public ProxyClientSocket {
   // If true, then the connection to the proxy is a SPDY connection.
   const bool using_spdy_;
   // Protocol negotiated with the server.
-  SSLClientSocket::NextProto protocol_negotiated_;
+  NextProto protocol_negotiated_;
   // If true, then SSL is used to communicate with this proxy
   const bool is_https_proxy_;