On Mon, Oct 5, 2009 at 10:35 PM, Dmitry Titov <dim...@chromium.org> wrote:
> On Mon, Oct 5, 2009 at 9:48 PM, Sam Weinig <sam.wei...@gmail.com> wrote: > > I would still very much like a good solution to runtime enabling/disabling >> features in the bindings as I think this would be a useful addition to the >> webkit arsenal and I am curious why it is thought that doing it right will >> be prohibitively expensive (it may very well be, I just don't know why that >> is). >> > > This is a good question, I don't see also why it will be very difficult... > It seems most of the features we are talking about are exposed off window > object that already has custom getters. Also, if it can be assumed that the > flags don't change during lifetime of the browser process (which is true for > Chromium-like command-line flags) then it is not needed to reset script > state and caches on change. It might be not a very complex change... > > Dmitry > Yeah, exactly! I'm sure we can exploit this property of the feature to make the implementation low cost. (It is similar to how V8 extensions work.) -Darin
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