style: Add a ValueInfo trait for exposing types needed by devtools.

Most of types just derive it using proc_macro directly. Some of value
types need manual impl.

In my current plan, this new trait will be used in bug 1434130 to expose
values as well.

Bug: 1455576
Reviewed-by: emilio
MozReview-Commit-ID: LI7fy45VkRw
This commit is contained in:
Xidorn Quan 2018-04-26 09:01:02 +10:00 committed by Emilio Cobos Álvarez
parent 276fb7e04b
commit 7fe7b2ffb1
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66 changed files with 615 additions and 249 deletions

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@ -48,7 +48,8 @@ impl BackgroundSize {
}
/// One of the keywords for `background-repeat`.
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq, ToComputedValue, ToCss)]
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, Parse, PartialEq,
SpecifiedValueInfo, ToComputedValue, ToCss)]
#[allow(missing_docs)]
pub enum BackgroundRepeatKeyword {
Repeat,
@ -60,7 +61,8 @@ pub enum BackgroundRepeatKeyword {
/// The specified value for the `background-repeat` property.
///
/// https://drafts.csswg.org/css-backgrounds/#the-background-repeat
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToCss)]
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo,
ToCss)]
pub enum BackgroundRepeat {
/// `repeat-x`
RepeatX,