Only use skia::RefPtr for refcounting

cc/resources/picture_pile_impl_unittest.cc

Index: cc/resources/picture_pile_impl_unittest.cc
diff --git a/cc/resources/picture_pile_impl_unittest.cc b/cc/resources/picture_pile_impl_unittest.cc
index 0fde59e3766480149b4cbf5dcd5763c4699e055a..10c859e8f5016c3a7713b3db2d228638fcfcfaa9 100644
--- a/cc/resources/picture_pile_impl_unittest.cc
+++ b/cc/resources/picture_pile_impl_unittest.cc
@@ -4,7 +4,9 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/test/fake_picture_pile_impl.h"
+#include "cc/test/skia_common.h"
 #include "skia/ext/lazy_pixel_ref.h"
+#include "skia/ext/refptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkPixelRef.h"
 #include "third_party/skia/include/core/SkShader.h"
@@ -13,61 +15,6 @@
 namespace cc {
 namespace {
 
-class TestPixelRef : public SkPixelRef {
- public:
-  // Pure virtual implementation.
-  TestPixelRef(int width, int height)
-    : pixels_(new char[4 * width * height]) {}
-  virtual SkFlattenable::Factory getFactory() OVERRIDE { return NULL; }
-  virtual void* onLockPixels(SkColorTable** color_table) OVERRIDE {
-      return pixels_.get();
-  }
-  virtual void onUnlockPixels() OVERRIDE {}
-  virtual SkPixelRef* deepCopy(
-      SkBitmap::Config config,
-      const SkIRect* subset) OVERRIDE {
-    this->ref();
-    return this;
-  }
- private:
-  scoped_ptr<char[]> pixels_;
-};
-
-class TestLazyPixelRef : public skia::LazyPixelRef {
- public:
-  // Pure virtual implementation.
-  TestLazyPixelRef(int width, int height)
-    : pixels_(new char[4 * width * height]) {}
-  virtual SkFlattenable::Factory getFactory() OVERRIDE { return NULL; }
-  virtual void* onLockPixels(SkColorTable** color_table) OVERRIDE {
-      return pixels_.get();
-  }
-  virtual void onUnlockPixels() OVERRIDE {}
-  virtual bool PrepareToDecode(const PrepareParams& params) OVERRIDE {
-    return true;
-  }
-  virtual SkPixelRef* deepCopy(
-      SkBitmap::Config config,
-      const SkIRect* subset) OVERRIDE {
-    this->ref();
-    return this;
-  }
-  virtual void Decode() OVERRIDE {}
- private:
-  scoped_ptr<char[]> pixels_;
-};
-
-void CreateBitmap(gfx::Size size, const char* uri, SkBitmap* bitmap) {
-  SkAutoTUnref<TestLazyPixelRef> lazy_pixel_ref;
-  lazy_pixel_ref.reset(new TestLazyPixelRef(size.width(), size.height()));
-  lazy_pixel_ref->setURI(uri);
-
-  bitmap->setConfig(SkBitmap::kARGB_8888_Config,
-                    size.width(),
-                    size.height());
-  bitmap->setPixelRef(lazy_pixel_ref);
-}
-
 TEST(PicturePileImplTest, AnalyzeIsSolidUnscaled) {
   gfx::Size tile_size(100, 100);
   gfx::Size layer_bounds(400, 400);