1 files changed, 30 insertions, 0 deletions
diff --git a/cc/animation/animation_curve.cc b/cc/animation/animation_curve.cc
new file mode 100644
index 0000000..05cda9b
--- /dev/null
+++ b/cc/animation/animation_curve.cc
@@ -0,0 +1,30 @@
+// Copyright 2012 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.
+
+#include "cc/animation/animation_curve.h"
+
+#include "base/logging.h"
+
+namespace cc {
+
+const FloatAnimationCurve* AnimationCurve::ToFloatAnimationCurve() const {
+  DCHECK(Type() == AnimationCurve::Float);
+  return static_cast<const FloatAnimationCurve*>(this);
+}
+
+AnimationCurve::CurveType FloatAnimationCurve::Type() const {
+  return Float;
+}
+
+const TransformAnimationCurve* AnimationCurve::ToTransformAnimationCurve()
+    const {
+  DCHECK(Type() == AnimationCurve::Transform);
+  return static_cast<const TransformAnimationCurve*>(this);
+}
+
+AnimationCurve::CurveType TransformAnimationCurve::Type() const {
+  return Transform;
+}
+
+}  // namespace cc