CSS Custom Properties (Variables)

Source/core/css/CSSValue.cpp

Index: Source/core/css/CSSValue.cpp
diff --git a/Source/core/css/CSSValue.cpp b/Source/core/css/CSSValue.cpp
index a18425ece021ee015879c473b291f80669d1ef4f..a6549efdd7b64fe72db642d08f823a7a3844b5cf 100644
--- a/Source/core/css/CSSValue.cpp
+++ b/Source/core/css/CSSValue.cpp
@@ -32,6 +32,7 @@
 #include "core/css/CSSContentDistributionValue.h"
 #include "core/css/CSSCrossfadeValue.h"
 #include "core/css/CSSCursorImageValue.h"
+#include "core/css/CSSCustomVariableValue.h"
 #include "core/css/CSSFontFaceSrcValue.h"
 #include "core/css/CSSFontFeatureValue.h"
 #include "core/css/CSSFunctionValue.h"
@@ -146,6 +147,8 @@ bool CSSValue::equals(const CSSValue& other) const
             return compareCSSValues<CSSSVGDocumentValue>(*this, other);
         case CSSContentDistributionClass:
             return compareCSSValues<CSSContentDistributionValue>(*this, other);
+        case VariableClass:
+            return compareCSSValues<CSSCustomVariableValue>(*this, other);
         default:
             ASSERT_NOT_REACHED();
             return false;
@@ -211,6 +214,8 @@ String CSSValue::cssText() const
         return toCSSSVGDocumentValue(this)->customCSSText();
     case CSSContentDistributionClass:
         return toCSSContentDistributionValue(this)->customCSSText();
+    case VariableClass:
+        return String();
     }
     ASSERT_NOT_REACHED();
     return String();
@@ -300,6 +305,9 @@ void CSSValue::destroy()
     case CSSContentDistributionClass:
         delete toCSSContentDistributionValue(this);
         return;
+    case VariableClass:
+        delete toCSSCustomVariableValue(this);
+        return;
     }
     ASSERT_NOT_REACHED();
 }
@@ -388,6 +396,8 @@ void CSSValue::finalizeGarbageCollectedObject()
     case CSSContentDistributionClass:
         toCSSContentDistributionValue(this)->~CSSContentDistributionValue();
         return;
+    case VariableClass:
+        return;
     }
     ASSERT_NOT_REACHED();
 }
@@ -476,6 +486,8 @@ DEFINE_TRACE(CSSValue)
     case CSSContentDistributionClass:
         toCSSContentDistributionValue(this)->traceAfterDispatch(visitor);
         return;
+    case VariableClass:
+        return;
     }
     ASSERT_NOT_REACHED();
 }