Per-feature triggers for the accelerated compositor were introduced in:
to provide fine grain control of the features turn compositing on/off. These triggers must now be exposed to the Settings class in order for them to be settable via command line flags, etc.
Created attachment 75245 [details]
Committed r73055: <http://trac.webkit.org/changeset/73055>
http://trac.webkit.org/changeset/73055 might have broken GTK Linux 32-bit Release