Replace many skia::RefPtr with sk_sp<> in cc/

cc/trees/layer_tree_host_impl_unittest.cc

Index: cc/trees/layer_tree_host_impl_unittest.cc
diff --git a/cc/trees/layer_tree_host_impl_unittest.cc b/cc/trees/layer_tree_host_impl_unittest.cc
index 3c2bb86d4eafac31e5f28699acbe40dca7dd15c8..70224489699272f22ea175b3322ccfb86c55aac2 100644
--- a/cc/trees/layer_tree_host_impl_unittest.cc
+++ b/cc/trees/layer_tree_host_impl_unittest.cc
@@ -7754,8 +7754,7 @@ TEST_F(LayerTreeHostImplTest, CreateETC1UIResource) {
   // correct width/height are passed directly to UIResourceBitmap.
   SkImageInfo info =
       SkImageInfo::Make(4, 2, kAlpha_8_SkColorType, kPremul_SkAlphaType);
-  skia::RefPtr<SkPixelRef> pixel_ref =
-      skia::AdoptRef(SkMallocPixelRef::NewAllocate(info, 0, 0));
+  sk_sp<SkPixelRef> pixel_ref(SkMallocPixelRef::NewAllocate(info, 0, 0));
   pixel_ref->setImmutable();
   UIResourceBitmap bitmap(pixel_ref, size);

[f(malita), 2016/04/21 15:45:47]

move(pixel_ref)

[tomhudson, 2016/04/25 20:20:51]

Done.

   UIResourceId ui_resource_id = 1;