Auto merge of #17655 - jdm:stylo-error-reporter, r=emilio

Hook up Stylo error reporter to Firefox devtools

Reviewed by @emilio in https://bugzilla.mozilla.org/show_bug.cgi?id=1352669.

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] There are tests for these changes

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components/style/properties/helpers/animated_properties.mako.rs

@@ -523,7 +523,6 @@ impl AnimationValue {
     /// Construct an AnimationValue from a property declaration
     pub fn from_declaration(decl: &PropertyDeclaration, context: &mut Context,
                             initial: &ComputedValues) -> Option<Self> {
-        use error_reporting::create_error_reporter;
         use properties::LonghandId;
         use properties::DeclaredValue;
 
@@ -587,7 +586,6 @@ impl AnimationValue {
             },
             PropertyDeclaration::WithVariables(id, ref variables) => {
                 let custom_props = context.style().custom_properties();
-                let reporter = create_error_reporter();
                 match id {
                     % for prop in data.longhands:
                     % if prop.animatable:
@@ -612,7 +610,6 @@ impl AnimationValue {
                                 };
                                 result = AnimationValue::from_declaration(&declaration, context, initial);
                             },
-                            &reporter,
                             quirks_mode);
                         result
                     },