compositor-worker: cc->blink mutation plumbing

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

+// 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 CustomCompositorAnimations_h
+#define CustomCompositorAnimations_h
+
+#include "core/animation/Animation.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Noncopyable.h"
+
+namespace blink {
+
+class Element;
+class CompositorMutation;
+
+class CustomCompositorAnimations final {
+    DISALLOW_NEW();
+    WTF_MAKE_NONCOPYABLE(CustomCompositorAnimations);
+
+public:
+    CustomCompositorAnimations() {}
+    void applyUpdate(Element&, const CompositorMutation&);
+
+    DEFINE_INLINE_TRACE()
+    {
+        visitor->trace(m_animation);
+    }
+
+private:
+    Member<Animation> m_animation;
+};
+
+} // namespace blink
+
+#endif