Update the nine patch layer to use UI resources

cc/resources/scoped_ui_resource.cc

Index: cc/resources/scoped_ui_resource.cc
diff --git a/cc/resources/scoped_ui_resource.cc b/cc/resources/scoped_ui_resource.cc
index 0136a8e7e5ad8d57f29276c50ed96f5bb0954d1d..e69b4bc936800eb1a53cc1e5e5fee1e58477c55b 100644
--- a/cc/resources/scoped_ui_resource.cc
+++ b/cc/resources/scoped_ui_resource.cc
@@ -12,12 +12,12 @@ namespace cc {
 
 scoped_ptr<ScopedUIResource> ScopedUIResource::Create(
     LayerTreeHost* host,
-    scoped_refptr<UIResourceBitmap> bitmap) {
+    const UIResourceBitmap& bitmap) {
   return make_scoped_ptr(new ScopedUIResource(host, bitmap));
 }
 
 ScopedUIResource::ScopedUIResource(LayerTreeHost* host,
-                                   scoped_refptr<UIResourceBitmap> bitmap)
+                                   const UIResourceBitmap& bitmap)
     : bitmap_(bitmap), host_(host) {
   DCHECK(host_);
   id_ = host_->CreateUIResource(this);
@@ -32,16 +32,9 @@ ScopedUIResource::~ScopedUIResource() {
   }
 }
 
-gfx::Size ScopedUIResource::GetSize() const {
-  return bitmap_->GetSize();
-}
-
-scoped_refptr<UIResourceBitmap> ScopedUIResource::GetBitmap(
-    UIResourceId uid,
-    bool resource_lost) {
+UIResourceBitmap ScopedUIResource::GetBitmap(UIResourceId uid,
+                                             bool resource_lost) {
   return bitmap_;
 }
 
-ScopedUIResource::ScopedUIResource() {}
-
 }  // namespace cc