cocoa: add ?-> to remember messages being used at runtime.

basis/cocoa/cocoa.factor

@@ -16,6 +16,8 @@ SYMBOL: sent-messages
 
 SYNTAX: -> scan-token dup remember-send suffix! \ send suffix! ;
 
+SYNTAX: ?-> scan-token [ remember-send ] [ <selector> drop ] bi ;
+
 SYMBOL: super-sent-messages
 
 : remember-super-send ( selector -- )

basis/ui/backend/cocoa/views/views.factor

@@ -151,6 +151,9 @@ CLASS: FactorView < NSOpenGLView NSTextInput
 
     METHOD: void prepareOpenGL [
 
+        ?-> setWantsBestResolutionOpenGLSurface:
+        ?-> backingScaleFactor
+
         self "setWantsBestResolutionOpenGLSurface:"
         lookup-selector -> respondsToSelector: c-bool> [