Revert "CSS Custom Properties (Variables)"

third_party/WebKit/Source/core/css/parser/CSSVariableParser.h

Index: third_party/WebKit/Source/core/css/parser/CSSVariableParser.h
diff --git a/third_party/WebKit/Source/core/css/parser/CSSVariableParser.h b/third_party/WebKit/Source/core/css/parser/CSSVariableParser.h
deleted file mode 100644
index 7af43e14dd51769aa147bfea046b54cf46e3917c..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/css/parser/CSSVariableParser.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CSSVariableParser_h
-#define CSSVariableParser_h
-
-#include "core/css/parser/CSSParserTokenRange.h"
-#include "platform/heap/Handle.h"
-#include "wtf/RefPtr.h"
-#include "wtf/text/AtomicString.h"
-
-namespace blink {
-
-class CSSCustomPropertyDeclaration;
-
-class CSSVariableParser {
-public:
-    static bool containsValidVariableReferences(CSSParserTokenRange);
-
-    static PassRefPtrWillBeRawPtr<CSSCustomPropertyDeclaration> parseDeclarationValue(const AtomicString&, CSSParserTokenRange);
-
-    static bool isValidVariableName(const CSSParserToken&);
-};
-
-} // namespace blink
-
-#endif // CSSVariableParser_h