Only use skia::RefPtr for refcounting

cc/test/skia_common.h

+// Copyright 2012 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_TEST_SKIA_COMMON_H_
+#define CC_TEST_SKIA_COMMON_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "skia/ext/lazy_pixel_ref.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/skia/include/core/SkFlattenable.h"
+
+namespace gfx {
+class Rect;
+class Size;
+}
+
+namespace cc {
+class Picture;
+
+class TestPixelRef : public SkPixelRef {
+ public:
+  TestPixelRef(int width, int height);
+  virtual ~TestPixelRef();
+
+  virtual SkFlattenable::Factory getFactory() OVERRIDE;
+  virtual void* onLockPixels(SkColorTable** color_table) OVERRIDE;
+  virtual void onUnlockPixels() OVERRIDE {}
+  virtual SkPixelRef* deepCopy(
+      SkBitmap::Config config,
+      const SkIRect* subset) OVERRIDE;
+ private:
+  scoped_ptr<char[]> pixels_;
+};
+
+class TestLazyPixelRef : public skia::LazyPixelRef {
+ public:
+  TestLazyPixelRef(int width, int height);
+  virtual ~TestLazyPixelRef();
+
+  virtual SkFlattenable::Factory getFactory() OVERRIDE;
+  virtual void* onLockPixels(SkColorTable** color_table) OVERRIDE;
+  virtual void onUnlockPixels() OVERRIDE {}
+  virtual bool PrepareToDecode(const PrepareParams& params) OVERRIDE;
+  virtual SkPixelRef* deepCopy(
+      SkBitmap::Config config,
+      const SkIRect* subset) OVERRIDE;
+  virtual void Decode() OVERRIDE {}
+ private:
+  scoped_ptr<char[]> pixels_;
+};
+
+void DrawPicture(unsigned char* buffer,
+                 gfx::Rect layer_rect,
+                 scoped_refptr<Picture> picture);
+
+void CreateBitmap(gfx::Size size, const char* uri, SkBitmap* bitmap);
+
+}  // namespace cc
+
+#endif  // CC_TEST_SKIA_COMMON_H_