Update from https://crrev.com/312398

net/http/http_proxy_client_socket_pool.h

 // Copyright (c) 2012 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 NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
 #define NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
 #include "net/http/http_auth.h"
 #include "net/http/http_response_info.h"
 #include "net/http/proxy_client_socket.h"
 #include "net/socket/client_socket_pool.h"
 #include "net/socket/client_socket_pool_base.h"
 #include "net/socket/client_socket_pool_histograms.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/spdy/spdy_session.h"
 
 namespace net {
 
-class HostResolver;
 class HttpAuthCache;
 class HttpAuthHandlerFactory;
 class ProxyDelegate;
 class SSLClientSocketPool;
 class SSLSocketParams;
 class SpdySessionPool;
 class SpdyStream;
 class TransportClientSocketPool;
 class TransportSocketParams;
 
@@ skipping 141 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(HttpProxyConnectJob);
 };
 
 class NET_EXPORT_PRIVATE HttpProxyClientSocketPool
     : public ClientSocketPool,
       public HigherLayeredPool {
  public:
   typedef HttpProxySocketParams SocketParams;
 
-  HttpProxyClientSocketPool(
-      int max_sockets,
-      int max_sockets_per_group,
-      ClientSocketPoolHistograms* histograms,
-      HostResolver* host_resolver,
-      TransportClientSocketPool* transport_pool,
-      SSLClientSocketPool* ssl_pool,
-      NetLog* net_log);
+  HttpProxyClientSocketPool(int max_sockets,
+                            int max_sockets_per_group,
+                            ClientSocketPoolHistograms* histograms,
+                            TransportClientSocketPool* transport_pool,
+                            SSLClientSocketPool* ssl_pool,
+                            NetLog* net_log);
 
   ~HttpProxyClientSocketPool() override;
 
   // ClientSocketPool implementation.
   int RequestSocket(const std::string& group_name,
                     const void* connect_params,
                     RequestPriority priority,
                     ClientSocketHandle* handle,
                     const CompletionCallback& callback,
                     const BoundNetLog& net_log) override;
@@ skipping 38 matching lines @@
   void RemoveHigherLayeredPool(HigherLayeredPool* higher_pool) override;
 
   // HigherLayeredPool implementation.
   bool CloseOneIdleConnection() override;
 
  private:
   typedef ClientSocketPoolBase<HttpProxySocketParams> PoolBase;
 
   class HttpProxyConnectJobFactory : public PoolBase::ConnectJobFactory {
    public:
-    HttpProxyConnectJobFactory(
-        TransportClientSocketPool* transport_pool,
-        SSLClientSocketPool* ssl_pool,
-        HostResolver* host_resolver,
-        NetLog* net_log);
+    HttpProxyConnectJobFactory(TransportClientSocketPool* transport_pool,
+                               SSLClientSocketPool* ssl_pool,
+                               NetLog* net_log);
 
     // ClientSocketPoolBase::ConnectJobFactory methods.
     scoped_ptr<ConnectJob> NewConnectJob(
         const std::string& group_name,
         const PoolBase::Request& request,
         ConnectJob::Delegate* delegate) const override;
 
     base::TimeDelta ConnectionTimeout() const override;
 
    private:
     TransportClientSocketPool* const transport_pool_;
     SSLClientSocketPool* const ssl_pool_;
-    HostResolver* const host_resolver_;
     NetLog* net_log_;
     base::TimeDelta timeout_;
 
     DISALLOW_COPY_AND_ASSIGN(HttpProxyConnectJobFactory);
   };
 
   TransportClientSocketPool* const transport_pool_;
   SSLClientSocketPool* const ssl_pool_;
   PoolBase base_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpProxyClientSocketPool);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_