This patch isn't needed because you have the window and can do [nswindow contentView] yourself.

I'm rolling this back so we minimize the things exposed that we have to keep consistent in the API.

include/SDL_syswm.h

@@ -82,7 +82,6 @@ struct SDL_SysWMinfo;
 #include <Cocoa/Cocoa.h>
 #else
 typedef struct _NSWindow NSWindow;
-typedef struct _NSView NSView;
 #endif
 #endif
 
@@ -188,7 +187,6 @@ struct SDL_SysWMinfo
         struct
         {
             NSWindow *window;           /* The Cocoa window */
-            NSView *view;               /* The Cocoa view */
         } cocoa;
 #endif
 #if defined(SDL_VIDEO_DRIVER_UIKIT)