Implements CSSPropertyAPI for the shape-outside property.

third_party/WebKit/Source/core/css/properties/CSSPropertyShapeUtil.h

Index: third_party/WebKit/Source/core/css/properties/CSSPropertyShapeUtil.h
diff --git a/third_party/WebKit/Source/core/css/properties/CSSPropertyShapeUtil.h b/third_party/WebKit/Source/core/css/properties/CSSPropertyShapeUtil.h
new file mode 100644
index 0000000000000000000000000000000000000000..c4ee2a624f2c2e8ce93230513d28d5092d23c5ee
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+++ b/third_party/WebKit/Source/core/css/properties/CSSPropertyShapeUtil.h
@@ -0,0 +1,31 @@
+// Copyright 2017 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 CSSPropertyShapeUtil_h
+#define CSSPropertyShapeUtil_h
+
+#include "core/css/parser/CSSParserMode.h"
+#include "wtf/Allocator.h"
+
+namespace blink {
+
+class CSSValue;
+class CSSParserContext;
+class CSSParserTokenRange;
+
+class CSSPropertyShapeUtil {
+  STATIC_ONLY(CSSPropertyShapeUtil);
+
+  static CSSValue* consumeBasicShape(CSSParserTokenRange&,
+                                     const CSSParserContext*);
+  static bool consumeRadii(CSSValue* horizontalRadii[4],
+                           CSSValue* verticalRadii[4],
+                           CSSParserTokenRange&,
+                           CSSParserMode,
+                           bool useLegacyParsing);
+};
+
+}  // namespace blink
+
+#endif  // CSSPropertyShapeUtil_h