Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/cc/layers/nine_patch_layer.h b/cc/layers/nine_patch_layer.h
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+++ b/cc/layers/nine_patch_layer.h
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+// 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_H_
+#define CC_LAYERS_NINE_PATCH_LAYER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/base/cc_export.h"
+#include "cc/layers/layer.h"
+#include "cc/layers/ui_resource_layer.h"
+#include "cc/resources/ui_resource_client.h"
+#include "ui/gfx/rect.h"
+
+namespace cc {
+
+class LayerTreeHost;
+class ScopedUIResource;
+
+class CC_EXPORT NinePatchLayer : public UIResourceLayer {
+ public:
+  static scoped_refptr<NinePatchLayer> Create();
+
+  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
+
+  // |border| is the space around the center rectangular region in layer space
+  // (known as aperture in image space).  |border.x()| and |border.y()| are the
+  // size of the left and top boundary, respectively.
+  // |border.width()-border.x()| and |border.height()-border.y()| are the size
+  // of the right and bottom boundary, respectively.
+  void SetBorder(const gfx::Rect& border);
+
+  // aperture is in the pixel space of the bitmap resource and refers to
+  // the center patch of the ninepatch (which is unused in this
+  // implementation). We split off eight rects surrounding it and stick them
+  // on the edges of the layer. The corners are unscaled, the top and bottom
+  // rects are x-stretched to fit, and the left and right rects are
+  // y-stretched to fit.
+  void SetAperture(const gfx::Rect& aperture);
+  void SetFillCenter(bool fill_center);
+
+ private:
+  NinePatchLayer();
+  virtual ~NinePatchLayer();
+  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
+      OVERRIDE;
+
+  gfx::Rect border_;
+  bool fill_center_;
+
+  // The transparent center region that shows the parent layer's contents in
+  // image space.
+  gfx::Rect image_aperture_;
+
+  DISALLOW_COPY_AND_ASSIGN(NinePatchLayer);
+};
+
+}  // namespace cc
+
+#endif  // CC_LAYERS_NINE_PATCH_LAYER_H_