Move array_view.h to webrtc/api/

webrtc/modules/audio_processing/aec3/fft_data.h

 /*
  *  Copyright (c) 2017 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_AEC3_FFT_DATA_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_FFT_DATA_H_
 
 #include "webrtc/typedefs.h"
 #if defined(WEBRTC_ARCH_X86_FAMILY)
 #include <emmintrin.h>
 #endif
 #include <algorithm>
 #include <array>
 
+#include "webrtc/api/array_view.h"
 #include "webrtc/modules/audio_processing/aec3/aec3_common.h"
-#include "webrtc/rtc_base/array_view.h"
 
 namespace webrtc {
 
 // Struct that holds imaginary data produced from 128 point real-valued FFTs.
 struct FftData {
   // Copies the data in src.
   void Assign(const FftData& src) {
     std::copy(src.re.begin(), src.re.end(), re.begin());
     std::copy(src.im.begin(), src.im.end(), im.begin());
     im[0] = im[kFftLengthBy2] = 0;
@@ skipping 56 matching lines @@
     }
   }
 
   std::array<float, kFftLengthBy2Plus1> re;
   std::array<float, kFftLengthBy2Plus1> im;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_FFT_DATA_H_