base::Bind: Convert proxy_resolving_client_socket.[cc,h] and deps.

net/socket/client_socket_handle.cc

 // Copyright (c) 2011 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.
 
 #include "net/socket/client_socket_handle.h"
 
 #include "base/compiler_specific.h"
 #include "base/metrics/histogram.h"
 #include "base/logging.h"
 #include "net/base/net_errors.h"
@@ skipping 32 matching lines @@
       // it can be deleted or reused.
       pool_->ReleaseSocket(group_name_, release_socket(), pool_id_);
   } else if (cancel) {
     // If we did not get initialized yet, we've got a socket request pending.
     // Cancel it.
     pool_->CancelRequest(group_name_, this);
   }
   is_initialized_ = false;
   group_name_.clear();
   is_reused_ = false;
-  user_callback_ = NULL;
+  user_callback_.Reset();
   if (layered_pool_) {
     pool_->RemoveLayeredPool(layered_pool_);
     layered_pool_ = NULL;
   }
   pool_ = NULL;
   idle_time_ = base::TimeDelta();
   init_time_ = base::TimeTicks();
   setup_time_ = base::TimeDelta();
   pool_id_ = -1;
 }
@@ skipping 21 matching lines @@
 void ClientSocketHandle::AddLayeredPool(LayeredPool* layered_pool) {
   CHECK(layered_pool);
   CHECK(!layered_pool_);
   if (pool_) {
     pool_->AddLayeredPool(layered_pool);
     layered_pool_ = layered_pool;
   }
 }
 
 void ClientSocketHandle::OnIOComplete(int result) {
-  OldCompletionCallback* callback = user_callback_;
-  user_callback_ = NULL;
+  CompletionCallback callback = user_callback_;
+  user_callback_.Reset();
   HandleInitCompletion(result);
-  callback->Run(result);
+  callback.Run(result);
 }
 
 void ClientSocketHandle::HandleInitCompletion(int result) {
   CHECK_NE(ERR_IO_PENDING, result);
   if (result != OK) {
     if (!socket_.get())
       ResetInternal(false);  // Nothing to cancel since the request failed.
     else
       is_initialized_ = true;
     return;
@@ skipping 24 matching lines @@
   // release() socket. It ends up working though, since those methods are being
   // used to layer sockets (and the destination sources are the same).
   DCHECK(socket_.get());
   socket_->NetLog().BeginEvent(
       NetLog::TYPE_SOCKET_IN_USE,
       make_scoped_refptr(new NetLogSourceParameter(
           "source_dependency", requesting_source_)));
 }
 
 }  // namespace net