Moved arrray_util include to beamformer.h

webrtc/modules/audio_processing/beamformer/beamformer.h

 /*
  *  Copyright (c) 2015 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.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_BEAMFORMER_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_BEAMFORMER_H_
 
 #include "webrtc/common_audio/channel_buffer.h"
+#include "webrtc/modules/audio_processing/beamformer/array_util.h"
 
 namespace webrtc {
 
 template<typename T>
 class Beamformer {
  public:
   virtual ~Beamformer() {}
 
   // Process one time-domain chunk of audio. The audio is expected to be split
   // into frequency bands inside the ChannelBuffer. The number of frames and
@@ skipping 10 matching lines @@
   virtual bool IsInBeam(const SphericalPointf& spherical_point) { return true; }
 
   // Returns true if the current data contains the target signal.
   // Which signals are considered "targets" is implementation dependent.
   virtual bool is_target_present() = 0;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_BEAMFORMER_BEAMFORMER_H_