Implement support for Universal Access accessibility support. Off by default on mac. b=342146

accessible/build/Makefile.in

@@ -92,5 +92,9 @@ ifeq ($(MOZ_WIDGET_TOOLKIT),gtk2)
 EXTRA_DSO_LDOPTS += $(MOZ_GTK2_LIBS)
 endif
 
+ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)
+EXTRA_DSO_LDOPTS += -framework Cocoa
+endif
+
 include $(topsrcdir)/config/rules.mk
 

accessible/src/Makefile.in

@@ -49,7 +49,7 @@ else
 ifeq ($(MOZ_WIDGET_TOOLKIT),windows)
 PLATFORM_DIR = msaa
 else
-ifeq ($(MOZ_WIDGET_TOOLKIT),mac)
+ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)
 PLATFORM_DIR += mac
 else
 PLATFORM_DIR += other