Plumb NQP to context and to http_proxy_client_socket_pool

net/http/http_network_session.h

Index: net/http/http_network_session.h
diff --git a/net/http/http_network_session.h b/net/http/http_network_session.h
index 1225535f88bd9f7b598a949dac105aae4e32bf2b..1b118c939984f3965e926abf18b53dacf9b9a47f 100644
--- a/net/http/http_network_session.h
+++ b/net/http/http_network_session.h
@@ -55,6 +55,7 @@ class HttpProxyClientSocketPool;
 class HttpResponseBodyDrainer;
 class HttpServerProperties;
 class NetLog;
+class NetworkQualityProvider;
 class NetworkThrottleManager;
 class ProxyDelegate;
 class ProxyService;
@@ -188,6 +189,7 @@ class NET_EXPORT HttpNetworkSession : public base::MemoryCoordinatorClient {
     HttpServerProperties* http_server_properties;
     NetLog* net_log;
     SocketPerformanceWatcherFactory* socket_performance_watcher_factory;
+    NetworkQualityProvider* network_quality_provider;
 
     // Source of time for QUIC connections.
     QuicClock* quic_clock;