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
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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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@ -7,7 +7,8 @@
/// A generic value for scroll snap points.
#[cfg_attr(feature = "gecko", derive(MallocSizeOf))]
#[derive(Clone, Copy, Debug, PartialEq, ToComputedValue, ToCss)]
#[derive(Clone, Copy, Debug, PartialEq, SpecifiedValueInfo, ToComputedValue,
ToCss)]
pub enum ScrollSnapPoint<LengthOrPercentage> {
/// `none`
None,