Remove parts of //cc we aren't using

cc/input/layer_selection_bound.h

-// 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.
-
-#ifndef CC_INPUT_LAYER_SELECTION_BOUND_H_
-#define CC_INPUT_LAYER_SELECTION_BOUND_H_
-
-#include "cc/base/cc_export.h"
-#include "cc/input/selection_bound_type.h"
-#include "ui/gfx/geometry/point_f.h"
-
-namespace cc {
-
-// Marker for a selection end-point attached to a specific layer.
-struct CC_EXPORT LayerSelectionBound {
-  LayerSelectionBound();
-  ~LayerSelectionBound();
-
-  SelectionBoundType type;
-  gfx::PointF edge_top;
-  gfx::PointF edge_bottom;
-  int layer_id;
-};
-
-bool operator==(const LayerSelectionBound& lhs, const LayerSelectionBound& rhs);
-bool operator!=(const LayerSelectionBound& lhs, const LayerSelectionBound& rhs);
-
-}  // namespace cc
-
-#endif  // CC_INPUT_LAYER_SELECTION_BOUND_H_