Remove unused origin argument from ResolveCustomProperty.

Change-Id: I6a81ef095db774d175bc63c8b6b48787031d7c27
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2455449Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814654}

third_party/blink/renderer/core/css/resolver/style_cascade.cc

@@ -691,7 +691,7 @@ const CSSValue* StyleCascade::Resolve(const CSSProperty& property,
     return ResolveRevert(property, value, origin, resolver);
   resolver.CollectAuthorFlags(property, origin);
   if (const auto* v = DynamicTo<CSSCustomPropertyDeclaration>(value))
-    return ResolveCustomProperty(property, *v, origin, resolver);
+    return ResolveCustomProperty(property, *v, resolver);
   if (const auto* v = DynamicTo<CSSVariableReferenceValue>(value))
     return ResolveVariableReference(property, *v, resolver);
   if (const auto* v = DynamicTo<cssvalue::CSSPendingSubstitutionValue>(value))
@@ -702,7 +702,6 @@ const CSSValue* StyleCascade::Resolve(const CSSProperty& property,
 const CSSValue* StyleCascade::ResolveCustomProperty(
     const CSSProperty& property,
     const CSSCustomPropertyDeclaration& decl,
-    CascadeOrigin origin,
     CascadeResolver& resolver) {
   DCHECK(!property.IsSurrogate());
 

third_party/blink/renderer/core/css/resolver/style_cascade.h

@@ -287,7 +287,6 @@ class CORE_EXPORT StyleCascade {
                           CascadeResolver&);
   const CSSValue* ResolveCustomProperty(const CSSProperty&,
                                         const CSSCustomPropertyDeclaration&,
-                                        CascadeOrigin,
                                         CascadeResolver&);
   const CSSValue* ResolveVariableReference(const CSSProperty&,
                                            const CSSVariableReferenceValue&,