style: Remove the GetCSNeedsLayoutFlush flag, as it is unneeded now.

Differential Revision: https://phabricator.services.mozilla.com/D40300

components/style/properties/longhands/border.mako.rs

@@ -58,7 +58,6 @@
         animation_value_type="NonNegativeLength",
         logical=is_logical,
         logical_group="border-width",
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         allow_quirks="No" if is_logical else "Yes",
         servo_restyle_damage="reflow rebuild_and_reflow_inline"
     )}

components/style/properties/longhands/box.mako.rs

@@ -339,8 +339,7 @@ ${helpers.predefined_type(
     servo_2020_pref="layout.2020.unimplemented",
     extra_prefixes=transform_extra_prefixes,
     animation_value_type="ComputedValue",
-    flags="CREATES_STACKING_CONTEXT FIXPOS_CB \
+    flags="CREATES_STACKING_CONTEXT FIXPOS_CB CAN_ANIMATE_ON_COMPOSITOR",
-           GETCS_NEEDS_LAYOUT_FLUSH CAN_ANIMATE_ON_COMPOSITOR",
     spec="https://drafts.csswg.org/css-transforms/#propdef-transform",
     servo_restyle_damage="reflow_out_of_flow",
 )}
@@ -552,7 +551,6 @@ ${helpers.predefined_type(
     boxed=True,
     extra_prefixes=transform_extra_prefixes,
     spec="https://drafts.csswg.org/css-transforms-2/#perspective-origin-property",
-    flags="GETCS_NEEDS_LAYOUT_FLUSH",
     animation_value_type="ComputedValue",
     servo_restyle_damage="reflow_out_of_flow"
 )}
@@ -600,7 +598,6 @@ ${helpers.predefined_type(
     extra_prefixes=transform_extra_prefixes,
     gecko_ffi_name="mTransformOrigin",
     boxed=True,
-    flags="GETCS_NEEDS_LAYOUT_FLUSH",
     spec="https://drafts.csswg.org/css-transforms/#transform-origin-property",
     servo_restyle_damage="reflow_out_of_flow",
 )}

components/style/properties/longhands/inherited_text.mako.rs

@@ -23,7 +23,6 @@ ${helpers.predefined_type(
     engines="gecko servo-2013 servo-2020",
     servo_2020_pref="layout.2020.unimplemented",
     animation_value_type="LineHeight",
-    flags="GETCS_NEEDS_LAYOUT_FLUSH",
     spec="https://drafts.csswg.org/css2/visudet.html#propdef-line-height",
     servo_restyle_damage="reflow"
 )}

components/style/properties/longhands/margin.mako.rs

@@ -24,7 +24,6 @@
         logical=side[1],
         logical_group="margin",
         spec=spec,
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         allowed_in_page_rule=True,
         servo_restyle_damage="reflow"
     )}

components/style/properties/longhands/padding.mako.rs

@@ -23,7 +23,6 @@
         logical=side[1],
         logical_group="padding",
         spec=spec,
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         allow_quirks="No" if side[1] else "Yes",
         servo_restyle_damage="reflow rebuild_and_reflow_inline"
     )}

components/style/properties/longhands/position.mako.rs

@@ -17,7 +17,6 @@
         engines="gecko servo-2013 servo-2020",
         servo_2020_pref="layout.2020.unimplemented",
         spec="https://www.w3.org/TR/CSS2/visuren.html#propdef-%s" % side,
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         animation_value_type="ComputedValue",
         allow_quirks="Yes",
         servo_restyle_damage="reflow_out_of_flow",
@@ -33,7 +32,6 @@
         engines="gecko servo-2013 servo-2020",
         servo_2020_pref="layout.2020.unimplemented",
         spec="https://drafts.csswg.org/css-logical-props/#propdef-inset-%s" % side,
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         alias="offset-%s:layout.css.offset-logical-properties.enabled" % side,
         animation_value_type="ComputedValue",
         logical=True,
@@ -285,7 +283,6 @@ ${helpers.predefined_type(
         allow_quirks="No" if logical else "Yes",
         spec=spec % size,
         animation_value_type="Size",
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         servo_restyle_damage="reflow",
     )}
     // min-width, min-height, min-block-size, min-inline-size
@@ -379,7 +376,6 @@ ${helpers.predefined_type(
         engines="gecko",
         spec="https://drafts.csswg.org/css-grid/#propdef-grid-template-%ss" % kind,
         boxed=True,
-        flags="GETCS_NEEDS_LAYOUT_FLUSH",
         animation_value_type="ComputedValue",
     )}
 

components/style/properties/longhands/ui.mako.rs

@@ -80,7 +80,6 @@ ${helpers.predefined_type(
     "Transform",
     "generics::transform::Transform::none()",
     engines="gecko",
-    flags="GETCS_NEEDS_LAYOUT_FLUSH",
     animation_value_type="ComputedValue",
     spec="None (Nonstandard internal property)",
     enabled_in="chrome",
@@ -94,7 +93,6 @@ ${helpers.predefined_type(
     animation_value_type="ComputedValue",
     gecko_ffi_name="mWindowTransformOrigin",
     boxed=True,
-    flags="GETCS_NEEDS_LAYOUT_FLUSH",
     spec="None (Nonstandard internal property)",
     enabled_in="chrome",
 )}

components/style/properties/properties.mako.rs

@@ -981,13 +981,10 @@ bitflags! {
         const APPLIES_TO_CUE = 1 << 6;
         /// This longhand property applies to ::marker.
         const APPLIES_TO_MARKER = 1 << 7;
-        /// This property's getComputedStyle implementation requires layout
-        /// to be flushed.
-        const GETCS_NEEDS_LAYOUT_FLUSH = 1 << 8;
         /// This property is a legacy shorthand.
         ///
         /// https://drafts.csswg.org/css-cascade/#legacy-shorthand
-        const IS_LEGACY_SHORTHAND = 1 << 9;
+        const IS_LEGACY_SHORTHAND = 1 << 8;
 
         /* The following flags are currently not used in Rust code, they
          * only need to be listed in corresponding properties so that