Convert //cc from scoped_ptr to std::unique_ptr.

cc/test/fake_mask_layer_impl.cc

Index: cc/test/fake_mask_layer_impl.cc
diff --git a/cc/test/fake_mask_layer_impl.cc b/cc/test/fake_mask_layer_impl.cc
index 96dc6728daba129505a22b65813f4f110269c2e0..e76bad21864c5fe3c1618d81c27f12e3049d7ecc 100644
--- a/cc/test/fake_mask_layer_impl.cc
+++ b/cc/test/fake_mask_layer_impl.cc
@@ -4,15 +4,17 @@
 
 #include "cc/test/fake_mask_layer_impl.h"
 
+#include "base/memory/ptr_util.h"
+
 namespace cc {
 
 FakeMaskLayerImpl::FakeMaskLayerImpl(LayerTreeImpl* tree_impl, int id)
     : LayerImpl(tree_impl, id) {}
 
-scoped_ptr<FakeMaskLayerImpl> FakeMaskLayerImpl::Create(
+std::unique_ptr<FakeMaskLayerImpl> FakeMaskLayerImpl::Create(
     LayerTreeImpl* tree_impl,
     int id) {
-  return make_scoped_ptr(new FakeMaskLayerImpl(tree_impl, id));
+  return base::WrapUnique(new FakeMaskLayerImpl(tree_impl, id));
 }
 
 void FakeMaskLayerImpl::GetContentsResourceId(ResourceId* resource_id,