Add embedder-specific headers to HTTP CONNECT tunnel request

net/socket/client_socket_pool_manager_impl.h

Index: net/socket/client_socket_pool_manager_impl.h
diff --git a/net/socket/client_socket_pool_manager_impl.h b/net/socket/client_socket_pool_manager_impl.h
index 8fc6c49ef8439ccf36aaee2ed10650a2f3c7b6b8..e053aba5e208486cff7b986349414d237b0ea073 100644
--- a/net/socket/client_socket_pool_manager_impl.h
+++ b/net/socket/client_socket_pool_manager_impl.h
@@ -26,6 +26,7 @@ class ClientSocketFactory;
 class ClientSocketPoolHistograms;
 class CTVerifier;
 class HttpProxyClientSocketPool;
+class HttpProxyTunnelDelegate;
 class HostResolver;
 class NetLog;
 class ProxyService;
@@ -68,6 +69,8 @@ class ClientSocketPoolManagerImpl : public base::NonThreadSafe,
                               ProxyService* proxy_service,
                               SSLConfigService* ssl_config_service,
                               bool enable_ssl_connect_job_waiting,
+                              HttpProxyTunnelDelegate*
+                                  http_proxy_tunnel_delegate,
                               HttpNetworkSession::SocketPoolType pool_type);
   virtual ~ClientSocketPoolManagerImpl();
 
@@ -147,6 +150,8 @@ class ClientSocketPoolManagerImpl : public base::NonThreadSafe,
   ClientSocketPoolHistograms ssl_socket_pool_for_proxies_histograms_;
   SSLSocketPoolMap ssl_socket_pools_for_proxies_;
 
+  HttpProxyTunnelDelegate* http_proxy_tunnel_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolManagerImpl);
 };