Issue #1751 -- Remove cocoa and uikit widget support code

widget/cocoa/nsToolkit.h

@@ -1,53 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef nsToolkit_h_
-#define nsToolkit_h_
-
-#include "nscore.h"
-
-#import <Carbon/Carbon.h>
-#import <Cocoa/Cocoa.h>
-#import <objc/Object.h>
-#import <IOKit/IOKitLib.h>
-
-class nsToolkit
-{
-public:
-                     nsToolkit();
-  virtual            ~nsToolkit();
-
-  static nsToolkit*  GetToolkit();
-
-  static void Shutdown() {
-    delete gToolkit;
-    gToolkit = nullptr;
-  }
-
-  static void        PostSleepWakeNotification(const char* aNotification);
-
-  static nsresult    SwizzleMethods(Class aClass, SEL orgMethod, SEL posedMethod,
-                                    bool classMethods = false);
-
-  void               RegisterForAllProcessMouseEvents();
-  void               UnregisterAllProcessMouseEventHandlers();
-
-protected:
-
-  nsresult           RegisterForSleepWakeNotifications();
-  void               RemoveSleepWakeNotifications();
-
-protected:
-
-  static nsToolkit*  gToolkit;
-
-  CFRunLoopSourceRef mSleepWakeNotificationRLS;
-  io_object_t        mPowerNotifier;
-
-  CFMachPortRef      mEventTapPort;
-  CFRunLoopSourceRef mEventTapRLS;
-};
-
-#endif // nsToolkit_h_