Update the nine patch layer to use UI resources

cc/layers/nine_patch_layer.h

Index: cc/layers/nine_patch_layer.h
diff --git a/cc/layers/nine_patch_layer.h b/cc/layers/nine_patch_layer.h
index 35d08812cff817e9a26247ef13e71683ba05463c..f237ad29593f3f5ef78c842419468ee72e9fb153 100644
--- a/cc/layers/nine_patch_layer.h
+++ b/cc/layers/nine_patch_layer.h
@@ -8,32 +8,36 @@
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer.h"
-#include "cc/resources/image_layer_updater.h"
-#include "third_party/skia/include/core/SkBitmap.h"
+#include "cc/resources/ui_resource_client.h"
 #include "ui/gfx/rect.h"
 
 namespace cc {
 
-class ResourceUpdateQueue;
+class UIResource;
 
 class CC_EXPORT NinePatchLayer : public Layer {
  public:
   static scoped_refptr<NinePatchLayer> Create();
 
   virtual bool DrawsContent() const OVERRIDE;
-  virtual void SetTexturePriorities(const PriorityCalculator& priority_calc)
-      OVERRIDE;
-  virtual bool Update(ResourceUpdateQueue* queue,
-                      const OcclusionTracker* occlusion) OVERRIDE;
+
   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
 
+  virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
+
+  void SetBorder(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 SetBitmap(const SkBitmap& bitmap, gfx::Rect aperture);
+  void SetBitmap(const SkBitmap& skbitmap, gfx::Rect aperture);
+
+  // An alternative way of setting bitmap to allow for sharing of resources.
+  void SetSharedBitmap(UIResourceId resource_id,
+                       gfx::Rect aperture,
+                       bool fill_center);
 
  private:
   NinePatchLayer();
@@ -41,14 +45,9 @@ class CC_EXPORT NinePatchLayer : public Layer {
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
       OVERRIDE;
 
-  void CreateUpdaterIfNeeded();
-  void CreateResource();
-
-  scoped_refptr<ImageLayerUpdater> updater_;
-  scoped_ptr<LayerUpdater::Resource> resource_;
-
-  SkBitmap bitmap_;
-  bool bitmap_dirty_;
+  gfx::Rect border_;
+  bool fill_center_;
+  scoped_ptr<UIResource> resource_;
 
   // The transparent center region that shows the parent layer's contents in
   // image space.