Move array_view.h to webrtc/api/

webrtc/modules/audio_processing/aec3/mock/mock_render_delay_controller.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_MOCK_MOCK_RENDER_DELAY_CONTROLLER_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_RENDER_DELAY_CONTROLLER_H_
 
+#include "webrtc/api/array_view.h"
 #include "webrtc/modules/audio_processing/aec3/downsampled_render_buffer.h"
 #include "webrtc/modules/audio_processing/aec3/render_delay_controller.h"
-#include "webrtc/rtc_base/array_view.h"
 #include "webrtc/rtc_base/optional.h"
 #include "webrtc/test/gmock.h"
 
 namespace webrtc {
 namespace test {
 
 class MockRenderDelayController : public RenderDelayController {
  public:
   virtual ~MockRenderDelayController() = default;
 
   MOCK_METHOD0(Reset, void());
   MOCK_METHOD1(SetDelay, void(size_t render_delay));
   MOCK_METHOD2(GetDelay,
                size_t(const DownsampledRenderBuffer& render_buffer,
                       rtc::ArrayView<const float> capture));
   MOCK_CONST_METHOD0(AlignmentHeadroomSamples, rtc::Optional<size_t>());
 };
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_RENDER_DELAY_CONTROLLER_H_