Skeleton implementation of CSS Properties and Values API

third_party/WebKit/Source/core/style/ComputedStyle.cpp

Index: third_party/WebKit/Source/core/style/ComputedStyle.cpp
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.cpp b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
index 79b8d1e384a4e59c1d01349676b847b377f7a4a1..0995b29c336435646b430970c1923fa6c0fe446c 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -1460,6 +1460,17 @@ void ComputedStyle::setVariable(const AtomicString& name, PassRefPtr<CSSVariable
     variables->setVariable(name, value);
 }
 
+void ComputedStyle::setRegisteredInheritedProperty(const AtomicString& name, const CSSValue* parsedValue)
+{
+    RefPtr<StyleVariableData>& variables = m_rareInheritedData.access()->variables;
+    DCHECK(variables);
+    if (!variables->hasOneRef())
+        variables = variables->copy();
+    DCHECK(!!parsedValue == !!variables->getVariable(name));
+    DCHECK(!(parsedValue && variables->getVariable(name)->needsVariableResolution()));
+    variables->setRegisteredInheritedProperty(name, parsedValue);
+}
+
 void ComputedStyle::removeVariable(const AtomicString& name)
 {
     RefPtr<StyleVariableData>& variables = m_rareInheritedData.access()->variables;