Update the nine patch layer to use UI resources

cc/test/fake_scoped_ui_resource.cc

 // Copyright 2013 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.
 
 #include "cc/test/fake_scoped_ui_resource.h"
 
 #include "cc/trees/layer_tree_host.h"
 
 namespace cc {
 
+namespace {
+
+UIResourceBitmap CreateMockUIResourceBitmap() {
+  SkBitmap skbitmap;
+  skbitmap.setConfig(SkBitmap::kARGB_8888_Config, 1, 1);
+  skbitmap.allocPixels();
+  skbitmap.setImmutable();
+  return UIResourceBitmap(skbitmap);
+}
+
+}  // anonymous namespace
+
 scoped_ptr<FakeScopedUIResource> FakeScopedUIResource::Create(
     LayerTreeHost* host) {
   return make_scoped_ptr(new FakeScopedUIResource(host));
 }
 
-FakeScopedUIResource::FakeScopedUIResource(LayerTreeHost* host) {
+FakeScopedUIResource::FakeScopedUIResource(LayerTreeHost* host)
+    : ScopedUIResource(host, CreateMockUIResourceBitmap()) {
+  // The constructor of ScopedUIResource already created a resource so we need
+  // to delete the created resource to wipe the state clean.
+  host_->DeleteUIResource(id_);
   ResetCounters();
-  bitmap_ = UIResourceBitmap::Create(
-      new uint8_t[1],
-      UIResourceBitmap::RGBA8,
-      UIResourceBitmap::CLAMP_TO_EDGE,
-      gfx::Size(1, 1));
-  host_ = host;
   id_ = host_->CreateUIResource(this);
 }
 
-scoped_refptr<UIResourceBitmap> FakeScopedUIResource::GetBitmap(
-    UIResourceId uid,
-    bool resource_lost) {
+UIResourceBitmap FakeScopedUIResource::GetBitmap(UIResourceId uid,
+                                                 bool resource_lost) {
   resource_create_count++;
   if (resource_lost)
     lost_resource_count++;
   return ScopedUIResource::GetBitmap(uid, resource_lost);
 }
 
 void FakeScopedUIResource::ResetCounters() {
   resource_create_count = 0;
   lost_resource_count = 0;
 }
 
 }  // namespace cc