CC Animation: Erase cc::LayerSettings everywhere.

cc/layers/layer_settings.h

Index: cc/layers/layer_settings.h
diff --git a/cc/layers/layer_settings.h b/cc/layers/layer_settings.h
deleted file mode 100644
index 4f1ac3ac0c6473f2a317aad551dbc3b222c69d85..0000000000000000000000000000000000000000
--- a/cc/layers/layer_settings.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2015 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 CC_LAYERS_LAYER_SETTINGS_H_
-#define CC_LAYERS_LAYER_SETTINGS_H_
-
-#include "cc/base/cc_export.h"
-
-namespace cc {
-
-class CC_EXPORT LayerSettings {
- public:
-  LayerSettings();
-  ~LayerSettings();
-
-  bool use_compositor_animation_timelines;
-};
-
-}  // namespace cc
-
-#endif  // CC_LAYERS_LAYER_SETTINGS_H_