Index: third_party/WebKit/Source/platform/graphics/CompositorElementId.h |
diff --git a/third_party/WebKit/Source/platform/graphics/CompositorElementId.h b/third_party/WebKit/Source/platform/graphics/CompositorElementId.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..63367e2c7ee5013477242fecc586daf6ee0c1689 |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/graphics/CompositorElementId.h |
@@ -0,0 +1,18 @@ |
+// 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 CompositorElementId_h |
+#define CompositorElementId_h |
+ |
+#include "cc/trees/element_id.h" |
+ |
+namespace blink { |
+ |
+// A CC client-provided id to attach effects like animation to an |
+// abstract element (a group of layers or property tree nodes). Must be unique. |
+using CompositorElementId = cc::ElementId; |
+ |
+} // namespace blink |
+ |
+#endif // CompositorElementId_h |