Added some missing includes, removed one include and removed an undef.

remoting/protocol/chromium_socket_factory.h

 // Copyright 2014 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 REMOTING_PROTOCOL_CHROMIUM_SOCKET_FACTORY_H_
 #define REMOTING_PROTOCOL_CHROMIUM_SOCKET_FACTORY_H_
 
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "third_party/webrtc/p2p/base/packetsocketfactory.h"
 
 namespace remoting {
 namespace protocol {
 
 class ChromiumPacketSocketFactory : public rtc::PacketSocketFactory {
  public:
   explicit ChromiumPacketSocketFactory();
   ~ChromiumPacketSocketFactory() override;
 
@@ skipping 15 matching lines @@
   rtc::AsyncResolverInterface* CreateAsyncResolver() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromiumPacketSocketFactory);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CHROMIUM_SOCKET_FACTORY_H_