Update from https://crrev.com/311076

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 ca609d5e9d3a8d6a5da0e4c87828c8a5fecc7cd3..515b1e118d3f9b46a2ef4efc910b5ee7e3187386 100644
--- a/net/socket/client_socket_pool_manager_impl.h
+++ b/net/socket/client_socket_pool_manager_impl.h
@@ -28,8 +28,6 @@ class CTVerifier;
 class HttpProxyClientSocketPool;
 class HostResolver;
 class NetLog;
-class ProxyDelegate;
-class ProxyService;
 class SOCKSClientSocketPool;
 class SSLClientSocketPool;
 class SSLConfigService;
@@ -67,10 +65,8 @@ class ClientSocketPoolManagerImpl : public base::NonThreadSafe,
                               CTVerifier* cert_transparency_verifier,
                               CertPolicyEnforcer* cert_policy_enforcer,
                               const std::string& ssl_session_cache_shard,
-                              ProxyService* proxy_service,
                               SSLConfigService* ssl_config_service,
                               bool enable_ssl_connect_job_waiting,
-                              ProxyDelegate* proxy_delegate,
                               HttpNetworkSession::SocketPoolType pool_type);
   ~ClientSocketPoolManagerImpl() override;
 
@@ -117,7 +113,6 @@ class ClientSocketPoolManagerImpl : public base::NonThreadSafe,
   CTVerifier* const cert_transparency_verifier_;
   CertPolicyEnforcer* const cert_policy_enforcer_;
   const std::string ssl_session_cache_shard_;
-  ProxyService* const proxy_service_;
   const scoped_refptr<SSLConfigService> ssl_config_service_;
   bool enable_ssl_connect_job_waiting_;
   const HttpNetworkSession::SocketPoolType pool_type_;
@@ -151,8 +146,6 @@ class ClientSocketPoolManagerImpl : public base::NonThreadSafe,
   ClientSocketPoolHistograms ssl_socket_pool_for_proxies_histograms_;
   SSLSocketPoolMap ssl_socket_pools_for_proxies_;
 
-  const ProxyDelegate* proxy_delegate_;
-
   DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolManagerImpl);
 };