Start to rewrite the window toolbar handling code.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@27478 72102866-910b-0410-8b05-ffd578937521

Source/GSToolbarView.m

@@ -189,8 +189,6 @@ static void initSystemExtensionsColors(void)
 - (NSToolbarSizeMode) _sizeMode;
 - (BOOL) _usesStandardBackgroundColor;
 - (void) _setUsesStandardBackgroundColor: (BOOL)standard;
-- (void) _setWillBeVisible: (BOOL)willBeVisible;
-- (BOOL) _willBeVisible;
 @end
 
 @interface GSToolbarClippedItemsButton : NSButton
@@ -975,20 +973,6 @@ static void initSystemExtensionsColors(void)
   return _sizeMode;
 }
 
-/*
- * _willBeVisible indicates that the toolbar view previously hidden is in
- * process to become visible again before the end of current the event loop.
- */
-- (BOOL) _willBeVisible
-{
-  return _willBeVisible;
-}
-
-- (void) _setWillBeVisible: (BOOL)willBeVisible
-{
-  _willBeVisible = willBeVisible;
-}
-
 - (BOOL) _usesStandardBackgroundColor
 {
   return [BackgroundColor isEqual: [self standardBackgroundColor]];