Revert of Unify the macOS and iOS capturer implementations

webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_utility.h

Index: webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_utility.h
diff --git a/webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_utility.h b/webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_utility.h
new file mode 100644
index 0000000000000000000000000000000000000000..5ef0b96b6b7f6b1bf915df9443248a49f2db55af
--- /dev/null
+++ b/webrtc/modules/video_capture/mac/qtkit/video_capture_qtkit_utility.h
@@ -0,0 +1,36 @@
+/*
+ *  Copyright (c) 2011 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.
+ */
+
+/*
+ *  video_capture_qtkit_utility.h
+ *
+ */
+
+
+#ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QTKIT_VIDEO_CAPTURE_QTKIT_UTILITY_H_
+#define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QTKIT_VIDEO_CAPTURE_QTKIT_UTILITY_H_
+
+#define MAX_NAME_LENGTH                1024
+
+#define QTKIT_MIN_WIDTH                0
+#define QTKIT_MAX_WIDTH                2560
+#define QTKIT_DEFAULT_WIDTH            352
+
+#define QTKIT_MIN_HEIGHT            0
+#define QTKIT_MAX_HEIGHT            1440
+#define QTKIT_DEFAULT_HEIGHT        288
+
+#define QTKIT_MIN_FRAME_RATE        1
+#define QTKIT_MAX_FRAME_RATE        60
+#define QTKIT_DEFAULT_FRAME_RATE    30
+
+#define RELEASE_AND_CLEAR(p)        if (p) { (p) -> Release () ; (p) = NULL ; }
+
+#endif  // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QTKIT_VIDEO_CAPTURE_QTKIT_UTILITY_H_