The difference is that parsing as the `color` property's value also
allows the CSS-wide keywords, which we don't want here.
The added test cases make sure that those keywords are *not* valid:
- `color` should inherit its parent value of `orange`
- `background-color` doesn't inherit, so should be its initial value of
`transparent`
`HTML::parse_dimension_value()` doesn't parse units except for `%` for
percentages; it just ignores them and treats it as a number of pixels.
Now that we can parse `<length>` and pals directly, do that instead,
which makes non-px units work.
Before this change, we were going through the chain of base classes for
each IDL interface object and having them set the prototype to their
prototype.
Instead of doing that, reorder things so that we set the right prototype
immediately in Foo::initialize(), and then don't bother in all the base
class overrides.
This knocks off a ~1% profile item on Speedometer 3.
Resulting in a massive rename across almost everywhere! Alongside the
namespace change, we now have the following names:
* JS::NonnullGCPtr -> GC::Ref
* JS::GCPtr -> GC::Ptr
* JS::HeapFunction -> GC::Function
* JS::CellImpl -> GC::Cell
* JS::Handle -> GC::Root
We currently have 2 virtual methods to inform DOM::Element subclasses
when an attribute has changed, one of which is spec-compliant. This
patch removes the non-compliant variant.
