Explicit animation support

ui/gfx/compositor/test_utils.h

Index: ui/gfx/compositor/test_utils.h
diff --git a/ui/gfx/compositor/test_utils.h b/ui/gfx/compositor/test_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..9c4411ccfe19de05b176e8ffef17909b89fa7716
--- /dev/null
+++ b/ui/gfx/compositor/test_utils.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2011 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 UI_GFX_COMPOSITOR_TEST_UTILS_H_
+#define UI_GFX_COMPOSITOR_TEST_UTILS_H_
+#pragma once
+
+namespace gfx {
+class Rect;
+}
+
+namespace ui {
+
+class Transform;
+
+void CheckApproximatelyEqual(const Transform& lhs, const Transform& rhs);
+void CheckApproximatelyEqual(const gfx::Rect& lhs, const gfx::Rect& rhs);
+
+}  // namespace ui
+
+#endif  // UI_GFX_COMPOSITOR_TEST_UTILS_H_