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diff --git a/widget/cocoa/nsCursorManager.h b/widget/cocoa/nsCursorManager.h
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+++ b/widget/cocoa/nsCursorManager.h
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+/* 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 nsCursorManager_h_
+#define nsCursorManager_h_
+
+#import <Foundation/Foundation.h>
+#include "nsIWidget.h"
+#include "nsMacCursor.h"
+
+/*! @class      nsCursorManager
+    @abstract   Singleton service provides access to all cursors available in the application.
+    @discussion Use <code>nsCusorManager</code> to set the current cursor using an XP <code>nsCusor</code> enum value.
+                <code>nsCursorManager</code> encapsulates the details of setting different types of cursors, animating
+                cursors and cleaning up cursors when they are no longer in use.
+ */
+@interface nsCursorManager : NSObject
+{
+  @private
+  NSMutableDictionary *mCursors;
+  nsMacCursor *mCurrentMacCursor;
+}
+
+/*! @method     setCursor:
+    @abstract   Sets the current cursor.
+    @discussion Sets the current cursor to the cursor indicated by the XP cursor constant given as an argument.
+                Resources associated with the previous cursor are cleaned up.
+    @param aCursor the cursor to use
+*/
+- (nsresult) setCursor: (nsCursor) aCursor;
+
+/*! @method  setCursorWithImage:hotSpotX:hotSpotY:
+ @abstract   Sets the current cursor to a custom image
+ @discussion Sets the current cursor to the cursor given by the aCursorImage argument.
+ Resources associated with the previous cursor are cleaned up.
+ @param aCursorImage the cursor image to use
+ @param aHotSpotX the x coordinate of the cursor's hotspot
+ @param aHotSpotY the y coordinate of the cursor's hotspot
+ @param scaleFactor the scale factor of the target display (2 for a retina display)
+ */
+- (nsresult) setCursorWithImage: (imgIContainer*) aCursorImage hotSpotX: (uint32_t) aHotspotX hotSpotY: (uint32_t) aHotspotY scaleFactor: (CGFloat) scaleFactor;
+
+
+/*! @method     sharedInstance
+    @abstract   Get the Singleton instance of the cursor manager.
+    @discussion Use this method to obtain a reference to the cursor manager.
+    @result a reference to the cursor manager
+*/
++ (nsCursorManager *) sharedInstance;
+
+/*! @method     dispose
+    @abstract   Releases the shared instance of the cursor manager.
+    @discussion Use dispose to clean up the cursor manager and associated cursors.
+*/
++ (void) dispose;
+@end
+
+@interface NSCursor (Undocumented)
+// busyButClickableCursor is an undocumented NSCursor API, but has been in use since
+// at least OS X 10.4 and through 10.9.
++ (NSCursor*)busyButClickableCursor;
+@end
+
+#endif // nsCursorManager_h_