Remove parts of //cc we aren't using

cc/layers/nine_patch_layer_impl.h

Index: cc/layers/nine_patch_layer_impl.h
diff --git a/cc/layers/nine_patch_layer_impl.h b/cc/layers/nine_patch_layer_impl.h
deleted file mode 100644
index 948758a876a00eef6524fc6fb1010ff4f72be70e..0000000000000000000000000000000000000000
--- a/cc/layers/nine_patch_layer_impl.h
+++ /dev/null
@@ -1,90 +0,0 @@
-// 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.
-
-#ifndef CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_
-#define CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_
-
-#include <string>
-
-#include "cc/base/cc_export.h"
-#include "cc/layers/layer_impl.h"
-#include "cc/layers/ui_resource_layer_impl.h"
-#include "cc/resources/resource_provider.h"
-#include "cc/resources/ui_resource_client.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace cc {
-
-class CC_EXPORT NinePatchLayerImpl : public UIResourceLayerImpl {
- public:
-  static scoped_ptr<NinePatchLayerImpl> Create(LayerTreeImpl* tree_impl,
-                                               int id) {
-    return make_scoped_ptr(new NinePatchLayerImpl(tree_impl, id));
-  }
-  ~NinePatchLayerImpl() override;
-
-  // The bitmap stretches out the bounds of the layer.  The following picture
-  // illustrates the parameters associated with the dimensions.
-  //
-  // Layer space layout              Bitmap space layout
-  //
-  // ------------------------       ~~~~~~~~~~ W ~~~~~~~~~~
-  // |          :           |       :     :                |
-  // |          C           |       :     Y                |
-  // |          :           |       :     :                |
-  // |     ------------     |       :~~X~~------------     |
-  // |     |          |     |       :     |          :     |
-  // |     |          |     |       :     |          :     |
-  // |~~A~~|          |~~B~~|       H     |          Q     |
-  // |     |          |     |       :     |          :     |
-  // |     ------------     |       :     ~~~~~P~~~~~      |
-  // |          :           |       :                      |
-  // |          D           |       :                      |
-  // |          :           |       :                      |
-  // ------------------------       ------------------------
-  //
-  // |image_bounds| = (W, H)
-  // |image_aperture| = (X, Y, P, Q)
-  // |border| = (A, C, A + B, C + D)
-  // |fill_center| indicates whether to draw the center quad or not.
-  void SetLayout(const gfx::Rect& image_aperture,
-                 const gfx::Rect& border,
-                 bool fill_center);
-
-  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
-  void PushPropertiesTo(LayerImpl* layer) override;
-
-  void AppendQuads(RenderPass* render_pass,
-                   AppendQuadsData* append_quads_data) override;
-
-  base::DictionaryValue* LayerTreeAsJson() const override;
-
- protected:
-  NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id);
-
- private:
-  const char* LayerTypeAsString() const override;
-
-  void CheckGeometryLimitations();
-
-  // The transparent center region that shows the parent layer's contents in
-  // image space.
-  gfx::Rect image_aperture_;
-
-  // An inset border that the patches will be mapped to.
-  gfx::Rect border_;
-
-  bool fill_center_;
-
-  DISALLOW_COPY_AND_ASSIGN(NinePatchLayerImpl);
-};
-
-}  // namespace cc
-
-#endif  // CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_