Update includes for webrtc/{base => rtc_base} rename (1/3)

webrtc/modules/video_capture/external/video_capture_external.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/base/refcount.h"
 #include "webrtc/modules/video_capture/video_capture_impl.h"
+#include "webrtc/rtc_base/refcount.h"
 
 namespace webrtc {
 
 namespace videocapturemodule {
 
 rtc::scoped_refptr<VideoCaptureModule> VideoCaptureImpl::Create(
     const char* deviceUniqueIdUTF8) {
   return new rtc::RefCountedObject<VideoCaptureImpl>();
 }
 
 }  // namespace videocapturemodule
 
 }  // namespace webrtc