Bug 1882144 - Remove layout.css.math-style.enabled and layout.css.math-depth.enabled prefs. r=layout-reviewers,emilio

Differential Revision: https://phabricator.services.mozilla.com/D202940

browser/base/content/test/static/browser_parsable_css.js

@@ -68,24 +68,6 @@ if (!Services.prefs.getBoolPref("layout.css.zoom.enabled")) {
   });
 }
 
-if (!Services.prefs.getBoolPref("layout.css.math-depth.enabled")) {
-  // mathml.css UA sheet rule for math-depth.
-  ignoreList.push({
-    sourceName: /\b(scrollbars|mathml)\.css$/i,
-    errorMessage: /Unknown property .*\bmath-depth\b/i,
-    isFromDevTools: false,
-  });
-}
-
-if (!Services.prefs.getBoolPref("layout.css.math-style.enabled")) {
-  // mathml.css UA sheet rule for math-style.
-  ignoreList.push({
-    sourceName: /(?:res|gre-resources)\/mathml\.css$/i,
-    errorMessage: /Unknown property .*\bmath-style\b/i,
-    isFromDevTools: false,
-  });
-}
-
 if (!Services.prefs.getBoolPref("layout.css.scroll-anchoring.enabled")) {
   ignoreList.push({
     sourceName: /webconsole\.css$/i,

layout/style/test/property_database.js

@@ -13604,36 +13604,32 @@ if (IsCSSPropertyPrefEnabled("layout.css.backdrop-filter.enabled")) {
   };
 }
 
-if (IsCSSPropertyPrefEnabled("layout.css.math-depth.enabled")) {
-  gCSSProperties["math-depth"] = {
-    domProp: "mathDepth",
-    inherited: true,
-    type: CSS_TYPE_LONGHAND,
-    initial_values: ["0"],
-    other_values: [
-      // auto-add cannot be tested here because it has no effect when the
-      // inherited math-style is equal to the default (normal).
-      "123",
-      "-123",
-      "add(123)",
-      "add(-123)",
-      "calc(1 + 2*3)",
-      "add(calc(4 - 2/3))",
-    ],
-    invalid_values: ["auto", "1,23", "1.23", "add(1,23)", "add(1.23)"],
-  };
-}
+gCSSProperties["math-depth"] = {
+  domProp: "mathDepth",
+  inherited: true,
+  type: CSS_TYPE_LONGHAND,
+  initial_values: ["0"],
+  other_values: [
+    // auto-add cannot be tested here because it has no effect when the
+    // inherited math-style is equal to the default (normal).
+    "123",
+    "-123",
+    "add(123)",
+    "add(-123)",
+    "calc(1 + 2*3)",
+    "add(calc(4 - 2/3))",
+  ],
+  invalid_values: ["auto", "1,23", "1.23", "add(1,23)", "add(1.23)"],
+};
 
-if (IsCSSPropertyPrefEnabled("layout.css.math-style.enabled")) {
-  gCSSProperties["math-style"] = {
-    domProp: "mathStyle",
-    inherited: true,
-    type: CSS_TYPE_LONGHAND,
-    initial_values: ["normal"],
-    other_values: ["compact"],
-    invalid_values: [],
-  };
-}
+gCSSProperties["math-style"] = {
+  domProp: "mathStyle",
+  inherited: true,
+  type: CSS_TYPE_LONGHAND,
+  initial_values: ["normal"],
+  other_values: ["compact"],
+  invalid_values: [],
+};
 
 if (IsCSSPropertyPrefEnabled("layout.css.forced-color-adjust.enabled")) {
   gCSSProperties["forced-color-adjust"] = {

modules/libpref/init/StaticPrefList.yaml

@@ -8644,20 +8644,6 @@
   mirror: always
   rust: true
 
-# Is support for math-style enabled?
-- name: layout.css.math-style.enabled
-  type: RelaxedAtomicBool
-  value: true
-  mirror: always
-  rust: true
-
-# Is support for math-depth enabled?
-- name: layout.css.math-depth.enabled
-  type: RelaxedAtomicBool
-  value: true
-  mirror: always
-  rust: true
-
 # Is -moz-osx-font-smoothing enabled? (Only supported in OSX builds)
 - name: layout.css.osx-font-smoothing.enabled
   type: bool

servo/components/style/properties/longhands/font.mako.rs

@@ -305,10 +305,7 @@ ${helpers.predefined_type(
     "MathDepth",
     "0",
     engines="gecko",
-    gecko_pref="layout.css.math-depth.enabled",
-    has_effect_on_gecko_scrollbars=False,
     animation_value_type="none",
-    enabled_in="ua",
     spec="https://mathml-refresh.github.io/mathml-core/#the-math-script-level-property",
     affects="",
 )}
@@ -318,11 +315,8 @@ ${helpers.single_keyword(
     "normal compact",
     engines="gecko",
     gecko_enum_prefix="StyleMathStyle",
-    gecko_pref="layout.css.math-style.enabled",
     spec="https://mathml-refresh.github.io/mathml-core/#the-math-style-property",
-    has_effect_on_gecko_scrollbars=False,
     animation_value_type="none",
-    enabled_in="ua",
     needs_conversion=True,
     affects="layout",
 )}

servo/components/style/values/specified/font.rs

@@ -450,16 +450,6 @@ impl ToComputedValue for FontStretch {
     }
 }
 
-#[cfg(feature = "gecko")]
-fn math_depth_enabled(_context: &ParserContext) -> bool {
-    static_prefs::pref!("layout.css.math-depth.enabled")
-}
-
-#[cfg(feature = "servo")]
-fn math_depth_enabled(_context: &ParserContext) -> bool {
-    false
-}
-
 /// CSS font keywords
 #[derive(
     Animate,
@@ -496,7 +486,7 @@ pub enum FontSizeKeyword {
     XXXLarge,
     /// Indicate whether to apply font-size: math is specified so that extra
     /// scaling due to math-depth changes is applied during the cascade.
-    #[parse(condition = "math_depth_enabled")]
+    #[cfg(feature="gecko")]
     Math,
     #[css(skip)]
     None,
@@ -1018,7 +1008,7 @@ impl FontSize {
             return Ok(FontSize::Length(lp));
         }
 
-        if let Ok(kw) = input.try_parse(|i| FontSizeKeyword::parse(context, i)) {
+        if let Ok(kw) = input.try_parse(|i| FontSizeKeyword::parse(i)) {
             return Ok(FontSize::Keyword(KeywordInfo::new(kw)));
         }