1 files changed, 15 insertions, 9 deletions
diff --git a/chromium/third_party/blink/renderer/core/css/cssom/style_value_factory.h b/chromium/third_party/blink/renderer/core/css/cssom/style_value_factory.h
index 094c4635dc1..97e73500a10 100644
--- a/chromium/third_party/blink/renderer/core/css/cssom/style_value_factory.h
+++ b/chromium/third_party/blink/renderer/core/css/cssom/style_value_factory.h
@@ -14,6 +14,7 @@ namespace blink {
 
 class CSSParserContext;
 class CSSProperty;
+class CSSPropertyName;
 class CSSValue;
 class ExecutionContext;
 class PropertyRegistration;
@@ -28,14 +29,10 @@ class CORE_EXPORT StyleValueFactory {
       const PropertyRegistration*,
       const String&,
       const CSSParserContext*);
-  static CSSStyleValue* CssValueToStyleValue(
-      CSSPropertyID,
-      const AtomicString& custom_property_name,
-      const CSSValue&);
-  static CSSStyleValueVector CssValueToStyleValueVector(
-      CSSPropertyID,
-      const AtomicString& custom_property_name,
-      const CSSValue&);
+  static CSSStyleValue* CssValueToStyleValue(const CSSPropertyName&,
+                                             const CSSValue&);
+  static CSSStyleValueVector CssValueToStyleValueVector(const CSSPropertyName&,
+                                                        const CSSValue&);
   // Returns an empty vector on error conditions.
   static CSSStyleValueVector CoerceStyleValuesOrStrings(
       const CSSProperty& property,
@@ -43,7 +40,16 @@ class CORE_EXPORT StyleValueFactory {
       const PropertyRegistration*,
       const HeapVector<CSSStyleValueOrString>& values,
       const ExecutionContext&);
-  // If you don't have complex CSS properties, use this one.
+  // Reify a CSSStyleValue without the context of a CSS property. For most
+  // CSSValues, this will result in a CSSUnsupportedStyleValue. Note that the
+  // CSSUnsupportedStyleValue returned from this function (unlike regular
+  // CSSUnsupportedStyleValues) do not have an associated CSS property,
+  // which means that any attempt to StylePropertyMap.set/setAll such values
+  // will always fail. Therefore, this function should only be used in
+  // situations where declared and inline style objects [1] are not accessible,
+  // such as paint worklets.
+  //
+  // [1] https://www.w3.org/TR/css-typed-om-1/#declared-stylepropertymap-objects
   static CSSStyleValueVector CssValueToStyleValueVector(const CSSValue&);
 };