[webkit-dev] WEB_TIMING enabled on all ports - let's remove the flag?

Konstantin Tokarev annulen at yandex.ru
Tue Aug 1 14:55:18 PDT 2017

02.08.2017, 00:49, "Sam Weinig" <weinig at apple.com>:
>>  On Aug 1, 2017, at 6:57 AM, Dean Jackson <dino at apple.com> wrote:
>>>  On 24 Jul 2017, at 22:44, Brian Burg <bburg at apple.com> wrote:
>>>  Hi WebKittens,
>>>  In WebKit, the various web-exposed timing APIs–Resource Timing, User Timing, and Navigation Timing are guarded by the ENABLE_WEB_TIMING feature flag.
>>>  It seems that ENABLE_WEB_TIMING is turned on for Xcode and CMake build systems by default, and we have not experienced any fallout from shipping these features in Safari Technology Preview. I think it’s time to remove the feature flag. Are there any objections? Is there a port in-tree that’s compiling without this feature?
>>>  If I don’t hear anything, the flag’s removal will be tracked in <https://bugs.webkit.org/show_bug.cgi?id=174795>.
>>  In general I think we should be more enthusiastic about removing feature flags that are guarding core parts of the Web platform. Web Timing is a great example.
>>  Some others I see:
> I think WebGL is still not supported on Windows in WebKitLegacy, so we may need to keep that one.
> I’d like to add ENABLE_VIDEO to that list, given how core it is to the platform, and how many other features depend on it.

I think it's a bad idea to remove ENABLE_VIDEO. Not only because there are lots of non-browser applications that need HTML renderer (document viewers, mail clients, instant messengers, RSS readers, etc.) which don't need video, but also because it greatly raises the bar for implementing new ports (e.g. recently announced Android port didn't implement video at that time)

> - Sam
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