Remove parts of //cc we aren't using

cc/resources/scoped_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_SCOPED_UI_RESOURCE_H_
-#define CC_RESOURCES_SCOPED_UI_RESOURCE_H_
-
-#include "base/memory/ref_counted.h"
-#include "cc/base/cc_export.h"
-#include "cc/resources/ui_resource_bitmap.h"
-#include "cc/resources/ui_resource_client.h"
-
-namespace cc {
-
-class LayerTreeHost;
-
-// ScopedUIResource creates an UIResource from a bitmap and a LayerTreeHost.
-// This class holds a pointer to the host so that when the instance goes out of
-// scope, the created resource is deleted.  On a GetBitmap call from the
-// UIResource manager, ScopeUIResource always returns the reference to the
-// initially given bitmap regardless of whether the request was due to lost
-// resource or not.
-class CC_EXPORT ScopedUIResource : public UIResourceClient {
- public:
-  static scoped_ptr<ScopedUIResource> Create(LayerTreeHost* host,
-                                             const UIResourceBitmap& bitmap);
-  ~ScopedUIResource() override;
-
-  // UIResourceClient implementation.
-  UIResourceBitmap GetBitmap(UIResourceId uid, bool resource_lost) override;
-  UIResourceId id() { return id_; }
-
- protected:
-  ScopedUIResource(LayerTreeHost* host, const UIResourceBitmap& bitmap);
-
-  UIResourceBitmap bitmap_;
-  LayerTreeHost* host_;
-  UIResourceId id_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ScopedUIResource);
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_SCOPED_UI_RESOURCE_H_