Replaced Ok() occurrences with IsOk() throughout trunk.

Additionally renamed wxOSX' private wxNativePrinterDC::Ok() function to IsOk().

Didn't deprecate the various Ok() functions: given the amount of changes already introduced in 3.0 a trivial one like this seems more suitable for after 3.0.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67681 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/statbmpg.h

@@ -61,7 +61,7 @@ public:
 private:
     wxSize GetBitmapSize()
     {
-        return m_bitmap.Ok() ? wxSize(m_bitmap.GetWidth(), m_bitmap.GetHeight())
+        return m_bitmap.IsOk() ? wxSize(m_bitmap.GetWidth(), m_bitmap.GetHeight())
                              : wxSize(16, 16); // this is completely arbitrary
     }