Delete unneeded includes of deprecated system_wrappers include files.

webrtc/voice_engine/file_player.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/voice_engine/file_player.h"
 
 #include "webrtc/common_audio/resampler/include/resampler.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/media_file/media_file.h"
 #include "webrtc/modules/media_file/media_file_defines.h"
-#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
 #include "webrtc/system_wrappers/include/logging.h"
 #include "webrtc/typedefs.h"
 #include "webrtc/voice_engine/coder.h"
 
 namespace webrtc {
 
 namespace {
 
 class FilePlayerImpl : public FilePlayer {
  public:
@@ skipping 355 matching lines @@
       // audio formats
       return std::unique_ptr<FilePlayer>(
           new FilePlayerImpl(instanceID, fileFormat));
     default:
       assert(false);
       return nullptr;
   }
 }
 
 }  // namespace webrtc