* Use a separate color array for the buttons, instead of using that for the
tab.
* _DrawBlendedRect(): No longer gets the focus flag, but gets a color array
instead.
* _GetBitmapForButton(): Made non-static and removed the "focus" and "object"
parameters.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39637 a95241bf-73f2-0310-859d-f6bbb57e9c96