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
No known key found for this signature in database
GPG key ID: 056B727BB9C1027C
66 changed files with 615 additions and 249 deletions

View file

@ -15,7 +15,7 @@ use values::specified::Angle;
/// The specified value of the `image-orientation` property.
/// https://drafts.csswg.org/css-images/#propdef-image-orientation
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq)]
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, SpecifiedValueInfo)]
pub struct ImageOrientation {
/// The angle specified, if any
pub angle: Option<Angle>,