Remove task.h and finish base::Bind() migration.

remoting/protocol/client_control_dispatcher.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 "remoting/protocol/client_control_dispatcher.h"
 
+#include "base/bind_helpers.h"
+#include "base/callback.h"
 #include "base/message_loop_proxy.h"
 #include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
 #include "remoting/proto/control.pb.h"
 #include "remoting/proto/internal.pb.h"
 #include "remoting/protocol/buffered_socket_writer.h"
 #include "remoting/protocol/client_stub.h"
 
 namespace remoting {
 namespace protocol {
@@ skipping 24 matching lines @@
   if (message->has_begin_session_deprecated()) {
     // Host sends legacy BeginSession message for compatibility with
     // older clients. Ignore it without warning.
   } else {
     LOG(WARNING) << "Unknown control message received.";
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting