[webkit-dev] Runtime setting for incomplete features

Fumitoshi Ukai (鵜飼文敏) ukai at chromium.org
Mon Oct 5 22:11:12 PDT 2009

So, is it fine to make WebSockets enable by default?

For now, there are no SocketStreamHandle implementation. so even enabling
WebSockets in Settings, it is the almost same that the feature is not


On Tue, Oct 6, 2009 at 2:04 PM, Maciej Stachowiak <mjs at apple.com> wrote:

> On Oct 5, 2009, at 9:54 PM, Mark Rowe wrote:
> On 2009-10-05, at 21:48, Darin Fisher wrote:
> It is a matter of our process that we do not change the configuration when
> promoting builds.  The bits that passed the test get promoted.
> I'm happy to absorb this cost in the V8 bindings.  I don't think it is
> important to solve this problem for the JSC bindings since there is not a
> consumer that yet needs the same.
> The present state of Web Sockets is that they're compiled in on Mac OS X
> but disabled via the runtime setting.  This leads to them being detectable
> in the manner Sam mentioned.  Either the compile-time setting needs to be
> fixed for Mac OS X or the runtime code fixed so that the feature is not
> detectable when disabled.  I assume that we want regression testing of the
> feature so disabling it at compile time does not seem like the best idea.  I
> guess it comes down to whether or not it's in good enough shape to be useful
> to web sites at this time.
> I think WebSockets should be compiled in and enabled on Mac OS X. I don't
> think we even need a way to turn them off at runtime for non-Chromium ports.
> The policy we generally follow for nightly builds is that we enable new
> features unless they would create significant problems with normal browsing,
> or major security risk, for users of the nightlies. We do sometimes disable
> optional features shortly before branching WebKit for release (apparently
> unlike the Chromium process) and I don't believe we've ever had a bug caused
> by that. We certainly wouldn't ship a production build of WebKit on Mac OS X
> with a feature compiled in but disabled at runtime.
> Regards,
> Maciej
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