Add some mac specific classes.

Source/GNUmakefile

@@ -105,6 +105,7 @@ NSEPSImageRep.m \
 NSEvent.m \
 NSFileWrapperExtensions.m \
 NSFont.m \
+NSFontAssetRequest.m \
 NSFontCollection.m \
 NSFontDescriptor.m \
 NSFontManager.m \
@@ -143,11 +144,13 @@ NSLayoutManager.m \
 NSLevelIndicator.m \
 NSLevelIndicatorCell.m \
 NSMagnificationGestureRecognizer.m \
+NSMediaLibraryBrowserController.m \
 NSPanGestureRecognizer.m \
 NSPickerTouchBarItem.m \
 NSPopoverTouchBarItem.m \
 NSPressGestureRecognizer.m \
 NSRotationGestureRecognizer.m \
+NSSharingServicePickerToolbarItem.m \
 NSSharingServicePickerTouchBarItem.m \
 NSSliderTouchBarItem.m \
 NSStepperTouchBarItem.m \
@@ -397,6 +400,7 @@ NSEvent.h \
 NSFileWrapper.h \
 NSFileWrapperExtensions.h \
 NSFont.h \
+NSFontAssetRequest.h \
 NSFontCollection.h \
 NSFontDescriptor.h \
 NSFontManager.h \
@@ -423,6 +427,7 @@ NSLevelIndicator.h \
 NSLevelIndicatorCell.h \
 NSMagnificationGestureRecognizer.h \
 NSMatrix.h \
+NSMediaLibraryBrowserController.h \
 NSMenu.h \
 NSMenuItem.h \
 NSMenuItemCell.h \
@@ -475,6 +480,7 @@ NSSegmentedControl.h \
 NSSelection.h \
 NSShadow.h \
 NSSharingService.h \
+NSSharingServicePickerToolbarItem.h \
 NSSharingServicePickerTouchBarItem.h \
 NSSlider.h \
 NSSliderCell.h \
@@ -537,6 +543,8 @@ NSNibDeclarations.h \
 NSNibLoading.h \
 NSNib.h \
 NSSpellProtocol.h \
+NSUserInterfaceCompression.h \
+NSUserInterfaceItemSearching.h \
 NSUserInterfaceItemIdentification.h \
 NSUserInterfaceValidation.h \
 DPSOperators.h \

Source/NSFontAssetRequest.m

@@ -0,0 +1,30 @@
+/* Implementation of class NSFontAssetRequest
+   Copyright (C) 2019 Free Software Foundation, Inc.
+   
+   By: Gregory John Casamento
+   Date: Tue Apr  7 08:06:56 EDT 2020
+
+   This file is part of the GNUstep Library.
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110 USA.
+*/
+
+#import <AppKit/NSFontAssetRequest.h>
+
+@implementation NSFontAssetRequest
+
+@end
+

Source/NSMediaLibraryBrowserController.m

@@ -0,0 +1,30 @@
+/* Implementation of class NSMediaLibraryBrowserController
+   Copyright (C) 2019 Free Software Foundation, Inc.
+   
+   By: Gregory John Casamento
+   Date: Tue Apr  7 08:07:21 EDT 2020
+
+   This file is part of the GNUstep Library.
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110 USA.
+*/
+
+#import <AppKit/NSMediaLibraryBrowserController.h>
+
+@implementation NSMediaLibraryBrowserController
+
+@end
+

Source/NSSharingServicePickerToolbarItem.m

@@ -0,0 +1,30 @@
+/* Implementation of class NSSharingServicePickerToolbarItem
+   Copyright (C) 2019 Free Software Foundation, Inc.
+   
+   By: Gregory John Casamento
+   Date: Tue Apr  7 08:11:46 EDT 2020
+
+   This file is part of the GNUstep Library.
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110 USA.
+*/
+
+#import <AppKit/NSSharingServicePickerToolbarItem.h>
+
+@implementation NSSharingServicePickerToolbarItem
+
+@end
+