Revert of Unify the macOS and iOS capturer implementations

webrtc/modules/video_capture/ios/device_info_ios.h

Index: webrtc/modules/video_capture/ios/device_info_ios.h
diff --git a/webrtc/modules/video_capture/ios/device_info_ios.h b/webrtc/modules/video_capture/ios/device_info_ios.h
new file mode 100644
index 0000000000000000000000000000000000000000..6af7c338995ee88d5fcf22c1f692143d3e9c97c5
--- /dev/null
+++ b/webrtc/modules/video_capture/ios/device_info_ios.h
@@ -0,0 +1,60 @@
+/*
+ *  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_IOS_DEVICE_INFO_IOS_H_
+#define WEBRTC_MODULES_VIDEO_CAPTURE_IOS_DEVICE_INFO_IOS_H_
+
+#include "webrtc/modules/video_capture/device_info_impl.h"
+
+#include <map>
+
+namespace webrtc {
+namespace videocapturemodule {
+class DeviceInfoIos : public DeviceInfoImpl {
+ public:
+  explicit DeviceInfoIos(const int32_t device_id);
+  virtual ~DeviceInfoIos();
+
+  // Implementation of DeviceInfoImpl.
+  int32_t Init() override;
+  uint32_t NumberOfDevices() override;
+  int32_t GetDeviceName(uint32_t deviceNumber,
+                        char* deviceNameUTF8,
+                        uint32_t deviceNameLength,
+                        char* deviceUniqueIdUTF8,
+                        uint32_t deviceUniqueIdUTF8Length,
+                        char* productUniqueIdUTF8 = 0,
+                        uint32_t productUniqueIdUTF8Length = 0) override;
+
+  int32_t NumberOfCapabilities(const char* deviceUniqueIdUTF8) override;
+
+  int32_t GetCapability(const char* deviceUniqueIdUTF8,
+                        const uint32_t deviceCapabilityNumber,
+                        VideoCaptureCapability& capability) override;
+
+  int32_t DisplayCaptureSettingsDialogBox(const char* deviceUniqueIdUTF8,
+                                          const char* dialogTitleUTF8,
+                                          void* parentWindow,
+                                          uint32_t positionX,
+                                          uint32_t positionY) override;
+
+  int32_t GetOrientation(const char* deviceUniqueIdUTF8,
+                         VideoRotation& orientation) override;
+
+  int32_t CreateCapabilityMap(const char* device_unique_id_utf8) override;
+
+ private:
+  std::map<std::string, VideoCaptureCapabilities> _capabilitiesMap;
+};
+
+}  // namespace videocapturemodule
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_CAPTURE_IOS_DEVICE_INFO_IOS_H_