[webkit-dev] window.internals abuse

[Ryosuke Niwa]

On Wed, Mar 13, 2013 at 10:22 AM, Dana Jansens <danakj at chromium.org> wrote:

> On Wed, Mar 13, 2013 at 1:21 PM, Simon Fraser <simon.fraser at apple.com>wrote:
>
>> On Mar 13, 2013, at 10:15 AM, Dana Jansens <danakj at chromium.org> wrote:
>>
>> On Wed, Mar 13, 2013 at 12:42 PM, Simon Fraser <simon.fraser at apple.com>wrote:
>>
>>> https://bugs.webkit.org/show_bug.cgi?id=80046 (landed in
>>> http://trac.webkit.org/changeset/114081) added
>>> internals. setBackgroundBlurOnNode().
>>>
>>> I consider this to be abuse of the Internals object. As shown by the
>>> location of the files (Source/WebCore/*testing*/Internals.*), the
>>> Internals interface is intended for testing, not adding API to toggle
>>> features in WebCore for non-test code.
>>>
>>
>> Sorry, but I think this is based on a misunderstanding. That function is
>> used for enabling the feature in layout tests in order to verify it is
>> working. It is not used in non-test code.
>>
>>
>> So why does the feature exist at all?
>>
>
> It can be enabled by UI code via the platform layer directly.
>

That sounds like a feature to be tested via testRunner object, not
internals object.

internals object should be reserved for testing cross-platform, cross-port
features. Otherwise, we'll end up zillion of if-defs for each and every
port specific feature we want to test :(

- R. Niwa
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