Partial implementation of inline StylePropertyMap.

third_party/WebKit/Source/core/css/cssom/CSSOMTypes.h

Index: third_party/WebKit/Source/core/css/cssom/CSSOMTypes.h
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSOMTypes.h b/third_party/WebKit/Source/core/css/cssom/CSSOMTypes.h
new file mode 100644
index 0000000000000000000000000000000000000000..9284ba03bf6625137496ac5785d7b2d1c23276b6
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+++ b/third_party/WebKit/Source/core/css/cssom/CSSOMTypes.h
@@ -0,0 +1,29 @@
+// Copyright 2016 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 CSSOMTypes_h
+#define CSSOMTypes_h
+
+#include "core/CSSPropertyNames.h"
+
+namespace blink {
+
+class KeywordValue;
+class StyleValue;
+
+class CSSOMTypes {
+    STATIC_ONLY(CSSOMTypes);
+
+public:
+    static bool propertyCanTake(CSSPropertyID, const StyleValue&);
+    static bool propertySupportsMultiple(CSSPropertyID);
+
+private:
+    static bool propertySupportsPercentage(CSSPropertyID);
+    static bool validKeywordForProperty(CSSPropertyID, const KeywordValue&);
+};
+
+} // namespace blink
+
+#endif