* Move the global "DnsResolutionObserver" code depended on by DNS prefetcher,...

net/base/client_socket_handle.h

 // Copyright (c) 2006-2008 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_BASE_CLIENT_SOCKET_HANDLE_H_
 #define NET_BASE_CLIENT_SOCKET_HANDLE_H_
 
 #include <string>
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "net/base/client_socket.h"
 #include "net/base/completion_callback.h"
+#include "net/base/host_resolver.h"
 #include "net/base/load_states.h"
 
 namespace net {
 
 class ClientSocketPool;
 
 // A container for a ClientSocket.
 //
 // The handle's |group_name| uniquely identifies the origin and type of the
 // connection.  It is used by the ClientSocketPool to group similar connected
 // client socket objects.
 //
 class ClientSocketHandle {
  public:
   explicit ClientSocketHandle(ClientSocketPool* pool);
   ~ClientSocketHandle();
 
   // Initializes a ClientSocketHandle object, which involves talking to the
   // ClientSocketPool to obtain a connected socket, possibly reusing one.  This
   // method returns either OK or ERR_IO_PENDING.  On ERR_IO_PENDING, |priority|
   // is used to determine the placement in ClientSocketPool's wait list.
   //
   // If this method succeeds, then the socket member will be set to an existing
   // connected socket if an existing connected socket was available to reuse,
   // otherwise it will be set to a new connected socket.  Consumers can then
   // call is_reused() to see if the socket was reused.  If not reusing an
-  // existing socket, ClientSocketPool may need to establish a new 
-  // connection to the |host| |port| pair.
+  // existing socket, ClientSocketPool may need to establish a new
+  // connection to the |resolve_info.host| |resolve_info.port| pair.
   //
   // This method returns ERR_IO_PENDING if it cannot complete synchronously, in
   // which case the consumer will be notified of completion via |callback|.
   //
   // Init may be called multiple times.
   //
   int Init(const std::string& group_name,
-           const std::string& host,
-           int port,
+           const HostResolver::RequestInfo& resolve_info,
            int priority,
            CompletionCallback* callback);
 
   // An initialized handle can be reset, which causes it to return to the
   // un-initialized state.  This releases the underlying socket, which in the
   // case of a socket that still has an established connection, indicates that
   // the socket may be kept alive for use by a subsequent ClientSocketHandle.
   //
   // NOTE: To prevent the socket from being kept alive, be sure to call its
   // Disconnect method.  This will result in the ClientSocketPool deleting the
@@ skipping 30 matching lines @@
   bool is_reused_;
   CompletionCallbackImpl<ClientSocketHandle> callback_;
   CompletionCallback* user_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSocketHandle);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_CLIENT_SOCKET_HANDLE_H_