Revert "CSS Custom Properties (Variables)"

third_party/WebKit/Source/core/css/parser/LegacyCSSPropertyParser.cpp

Index: third_party/WebKit/Source/core/css/parser/LegacyCSSPropertyParser.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/LegacyCSSPropertyParser.cpp b/third_party/WebKit/Source/core/css/parser/LegacyCSSPropertyParser.cpp
index e9c35432b307d0d004e6b4ffe64cf09b9daca9ac..5e0c902de85b4e35b1b9dc38fa37a901bee62262 100644
--- a/third_party/WebKit/Source/core/css/parser/LegacyCSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/LegacyCSSPropertyParser.cpp
@@ -51,7 +51,6 @@
 #include "core/css/CSSURIValue.h"
 #include "core/css/CSSValuePair.h"
 #include "core/css/CSSValuePool.h"
-#include "core/css/CSSVariableReferenceValue.h"
 #include "core/css/HashTools.h"
 #include "core/css/parser/CSSParserFastPaths.h"
 #include "core/css/parser/CSSParserValues.h"
@@ -372,13 +371,6 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import
         return true;
     }
 
-    if (RuntimeEnabledFeatures::cssVariablesEnabled() && value->id == CSSValueInternalVariableValue) {
-        // We don't expand the shorthand here because crazypants.
-        m_parsedProperties.append(CSSProperty(propId, CSSVariableReferenceValue::create(value->variableData), important, false, 0, m_implicitShorthand));
-        m_valueList->next();
-        return true;
-    }
-
     if (CSSParserFastPaths::isKeywordPropertyID(propId)) {
         if (!CSSParserFastPaths::isValidKeywordPropertyAndValue(propId, id))
             return false;