Revert of Unify the macOS and iOS capturer implementations

webrtc/modules/video_capture/objc/video_capture.h

Index: webrtc/modules/video_capture/objc/video_capture.h
diff --git a/webrtc/modules/video_capture/objc/video_capture.h b/webrtc/modules/video_capture/objc/video_capture.h
deleted file mode 100644
index 1f9f42094503ed33efdd40a1365821ae2f3cbc9f..0000000000000000000000000000000000000000
--- a/webrtc/modules/video_capture/objc/video_capture.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- *  Copyright (c) 2013 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_VIDEO_CAPTURE_OBJC_VIDEO_CAPTURE_H_
-#define WEBRTC_MODULES_VIDEO_CAPTURE_OBJC_VIDEO_CAPTURE_H_
-
-#include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/modules/video_capture/video_capture_impl.h"
-
-@class RTCVideoCaptureIosObjC;
-
-namespace webrtc {
-namespace videocapturemodule {
-class VideoCaptureIos : public VideoCaptureImpl {
- public:
-  explicit VideoCaptureIos(const int32_t capture_id);
-  virtual ~VideoCaptureIos();
-
-  static rtc::scoped_refptr<VideoCaptureModule> Create(
-      const int32_t capture_id,
-      const char* device_unique_id_utf8);
-
-  // Implementation of VideoCaptureImpl.
-  int32_t StartCapture(const VideoCaptureCapability& capability) override;
-  int32_t StopCapture() override;
-  bool CaptureStarted() override;
-  int32_t CaptureSettings(VideoCaptureCapability& settings) override;
-
- private:
-  RTCVideoCaptureIosObjC* capture_device_;
-  bool is_capturing_;
-  int32_t id_;
-  VideoCaptureCapability capability_;
-};
-
-}  // namespace videocapturemodule
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_VIDEO_CAPTURE_OBJC_VIDEO_CAPTURE_H_