Break Sky's dependency on cc

sky/viewer/cc/web_animation_curve_common.cc

Index: sky/viewer/cc/web_animation_curve_common.cc
diff --git a/sky/viewer/cc/web_animation_curve_common.cc b/sky/viewer/cc/web_animation_curve_common.cc
deleted file mode 100644
index b53de7486855597e8edd777f40ab0ac9cdd8141f..0000000000000000000000000000000000000000
--- a/sky/viewer/cc/web_animation_curve_common.cc
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2014 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 "sky/viewer/cc/web_animation_curve_common.h"
-
-#include "cc/animation/timing_function.h"
-
-namespace sky_viewer_cc {
-
-scoped_ptr<cc::TimingFunction> CreateTimingFunction(
-    blink::WebCompositorAnimationCurve::TimingFunctionType type) {
-  switch (type) {
-    case blink::WebCompositorAnimationCurve::TimingFunctionTypeEase:
-      return cc::EaseTimingFunction::Create();
-    case blink::WebCompositorAnimationCurve::TimingFunctionTypeEaseIn:
-      return cc::EaseInTimingFunction::Create();
-    case blink::WebCompositorAnimationCurve::TimingFunctionTypeEaseOut:
-      return cc::EaseOutTimingFunction::Create();
-    case blink::WebCompositorAnimationCurve::TimingFunctionTypeEaseInOut:
-      return cc::EaseInOutTimingFunction::Create();
-    case blink::WebCompositorAnimationCurve::TimingFunctionTypeLinear:
-      return scoped_ptr<cc::TimingFunction>();
-  }
-  return scoped_ptr<cc::TimingFunction>();
-}
-
-}  // namespace sky_viewer_cc