CSS Motion Path: Implement animation for the offset-path property

third_party/WebKit/Source/core/animation/PathPropertyFunctions.h

Index: third_party/WebKit/Source/core/animation/PathPropertyFunctions.h
diff --git a/third_party/WebKit/Source/core/animation/PathPropertyFunctions.h b/third_party/WebKit/Source/core/animation/PathPropertyFunctions.h
new file mode 100644
index 0000000000000000000000000000000000000000..df5c69bdb193a13037268ddae16e25dbabb0051a
--- /dev/null
+++ b/third_party/WebKit/Source/core/animation/PathPropertyFunctions.h
@@ -0,0 +1,24 @@
+// 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 PathPropertyFunctions_h
+#define PathPropertyFunctions_h
+
+#include "core/CSSPropertyNames.h"
+#include "core/style/StylePath.h"
+
+namespace blink {
+
+class ComputedStyle;
+
+class PathPropertyFunctions {
+ public:
+  static StylePath* getPath(CSSPropertyID, const ComputedStyle&);
+
+  static void setPath(CSSPropertyID, ComputedStyle&, RefPtr<blink::StylePath>);
+};
+
+}  // namespace blink
+
+#endif  // PathPropertyFunctions_h