Auto merge of #14598 - DominoTree:master, r=canaltinova

Fix linear gradient's specified form #13892

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WIP for #13892

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #13892  (github issue number if applicable).

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- [ ] These changes do not require tests because _____

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components/layout/display_list_builder.rs

@@ -54,8 +54,8 @@ use style::properties::{self, ServoComputedValues};
 use style::properties::style_structs;
 use style::servo::restyle_damage::REPAINT;
 use style::values::{self, Either, RGBA, computed};
-use style::values::computed::{Gradient, GradientKind, LengthOrPercentage, LengthOrPercentageOrAuto};
-use style::values::specified::{AngleOrCorner, HorizontalDirection, VerticalDirection};
+use style::values::computed::{AngleOrCorner, Gradient, GradientKind, LengthOrPercentage, LengthOrPercentageOrAuto};
+use style::values::specified::{HorizontalDirection, VerticalDirection};
 use style_traits::cursor::Cursor;
 use table_cell::CollapsedBordersForCell;
 use webrender_traits::{ColorF, GradientStop};