Leverage profile's http network session's HttpAuthCache to support proxy auth.

google_apis/gcm/engine/connection_factory_impl.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GOOGLE_APIS_GCM_ENGINE_CONNECTION_FACTORY_IMPL_H_
 #define GOOGLE_APIS_GCM_ENGINE_CONNECTION_FACTORY_IMPL_H_
 
 #include "google_apis/gcm/engine/connection_factory.h"
 
 #include "base/memory/weak_ptr.h"
@@ skipping 13 matching lines @@
 
 namespace gcm {
 
 class ConnectionHandlerImpl;
 class GCMStatsRecorder;
 
 class GCM_EXPORT ConnectionFactoryImpl :
     public ConnectionFactory,
     public net::NetworkChangeNotifier::NetworkChangeObserver {
  public:
+  // |http_network_session| is an optional network session to use as a source
+  // for proxy auth credentials (via its HttpAuthCache). |gcm_network_session|
+  // is the network session through which GCM connections should be made, and
+  // must not be the same as |http_network_session|.
   ConnectionFactoryImpl(
       const std::vector<GURL>& mcs_endpoints,
       const net::BackoffEntry::Policy& backoff_policy,
-      scoped_refptr<net::HttpNetworkSession> network_session,
+      const scoped_refptr<net::HttpNetworkSession>& gcm_network_session,
+      const scoped_refptr<net::HttpNetworkSession>& http_network_session,
       net::NetLog* net_log,
       GCMStatsRecorder* recorder);
   virtual ~ConnectionFactoryImpl();
 
   // ConnectionFactory implementation.
   virtual void Initialize(
       const BuildLoginRequestCallback& request_builder,
       const ConnectionHandler::ProtoReceivedCallback& read_callback,
       const ConnectionHandler::ProtoSentCallback& write_callback) OVERRIDE;
   virtual ConnectionHandler* GetConnectionHandler() const OVERRIDE;
@@ skipping 55 matching lines @@
   // Helper method for checking backoff and triggering a connection as
   // necessary.
   void ConnectWithBackoff();
 
   // Proxy resolution and connection functions.
   void OnProxyResolveDone(int status);
   void OnProxyConnectDone(int status);
   int ReconsiderProxyAfterError(int error);
   void ReportSuccessfulProxyConnection();
 
+  // Closes the local socket if one is present, and resets connection handler.
   void CloseSocket();
 
+  // Updates the GCM Network Session's HttpAuthCache with the HTTP Network
+  // Session's cache, if available.
+  void RebuildNetworkSessionAuthCache();
+
   // The MCS endpoints to make connections to, sorted in order of priority.
   const std::vector<GURL> mcs_endpoints_;
   // Index to the endpoint for which a connection should be attempted next.
   size_t next_endpoint_;
   // Index to the endpoint that was last successfully connected.
   size_t last_successful_endpoint_;
 
   // The backoff policy to use.
   const net::BackoffEntry::Policy backoff_policy_;
 
   // ---- net:: components for establishing connections. ----
-  // Network session for creating new connections.
-  const scoped_refptr<net::HttpNetworkSession> network_session_;
+  // Network session for creating new GCM connections.
+  const scoped_refptr<net::HttpNetworkSession> gcm_network_session_;
+  // HTTP Network session. If set, is used for extracting proxy auth
+  // credentials. If not set, is ignored.
+  const scoped_refptr<net::HttpNetworkSession> http_network_session_;
   // Net log to use in connection attempts.
   net::BoundNetLog bound_net_log_;
   // The current PAC request, if one exists. Owned by the proxy service.
   net::ProxyService::PacRequest* pac_request_;
   // The current proxy info.
   net::ProxyInfo proxy_info_;
   // The handle to the socket for the current connection, if one exists.
   net::ClientSocketHandle socket_handle_;
   // Current backoff entry.
   scoped_ptr<net::BackoffEntry> backoff_entry_;
@@ skipping 36 matching lines @@
   ConnectionListener* listener_;
 
   base::WeakPtrFactory<ConnectionFactoryImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionFactoryImpl);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_CONNECTION_FACTORY_IMPL_H_