CSS Motion Path: Support parsing of ray(<angle>) paths

third_party/WebKit/Source/core/css/CSSRayValue.h

Index: third_party/WebKit/Source/core/css/CSSRayValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSRayValue.h b/third_party/WebKit/Source/core/css/CSSRayValue.h
new file mode 100644
index 0000000000000000000000000000000000000000..0fbcbe097f2ba3689e6b5bcc59dba4e2524d5d9e
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+++ b/third_party/WebKit/Source/core/css/CSSRayValue.h
@@ -0,0 +1,45 @@
+// 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 CSSRayValue_h
+#define CSSRayValue_h
+
+#include "core/css/CSSValue.h"
+
+namespace blink {
+
+class CSSIdentifierValue;
+class CSSPrimitiveValue;
+
+class CSSRayValue : public CSSValue {
+ public:
+  static CSSRayValue* Create(const CSSPrimitiveValue& angle,
+                             const CSSIdentifierValue& size,
+                             const CSSIdentifierValue* contain);
+
+  const CSSPrimitiveValue& Angle() const { return *angle_; }
+  const CSSIdentifierValue& Size() const { return *size_; }
+  const CSSIdentifierValue* Contain() const { return contain_.Get(); }
+
+  String CustomCSSText() const;
+
+  bool Equals(const CSSRayValue&) const;
+
+  DECLARE_TRACE_AFTER_DISPATCH();
+
+ private:
+  CSSRayValue(const CSSPrimitiveValue& angle,
+              const CSSIdentifierValue& size,
+              const CSSIdentifierValue* contain);
+
+  Member<const CSSPrimitiveValue> angle_;
+  Member<const CSSIdentifierValue> size_;
+  Member<const CSSIdentifierValue> contain_;
+};
+
+DEFINE_CSS_VALUE_TYPE_CASTS(CSSRayValue, IsRayValue());
+
+}  // namespace blink
+
+#endif  // CSSRayValue_h