Update the nine patch layer to use UI resources

cc/resources/shared_ui_resource.h

+// 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.
+
+#ifndef CC_RESOURCES_SHARED_UI_RESOURCE_H_
+#define CC_RESOURCES_SHARED_UI_RESOURCE_H_
+
+#include "base/memory/ref_counted.h"
+#include "cc/base/cc_export.h"
+#include "cc/resources/ui_resource.h"
+#include "cc/resources/ui_resource_client.h"
+#include "ui/gfx/size.h"
+
+namespace cc {
+
+class LayerTreeHost;
+
+class CC_EXPORT SharedUIResource : public UIResource {
+ public:
+  static scoped_ptr<SharedUIResource> Create(UIResourceId id, gfx::Size size) {
+    return make_scoped_ptr(new SharedUIResource(id, size));
+  }
+
+  // UIResource
+  virtual UIResourceId id() OVERRIDE { return id_; }
+  virtual gfx::Size GetSize() OVERRIDE { return size_; }
+
+ private:
+  SharedUIResource(UIResourceId id, gfx::Size size) : id_(id), size_(size) {
+    DCHECK(size.width() && size.height());
+  }
+
+  UIResourceId id_;
+  gfx::Size size_;
+
+  DISALLOW_COPY_AND_ASSIGN(SharedUIResource);
+};
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_SHARED_UI_RESOURCE_H_