cc: Remove use of PassAs() and constructor-casting with scoped_ptr.

cc/layers/picture_layer_impl_perftest.cc

Index: cc/layers/picture_layer_impl_perftest.cc
diff --git a/cc/layers/picture_layer_impl_perftest.cc b/cc/layers/picture_layer_impl_perftest.cc
index 1aff9ad42ab61e178e1d0ecbb33de95a443bd3b8..a9690277b97a79a7896c44e298603c0acb4eaff5 100644
--- a/cc/layers/picture_layer_impl_perftest.cc
+++ b/cc/layers/picture_layer_impl_perftest.cc
@@ -46,8 +46,7 @@ class PictureLayerImplPerfTest : public testing::Test {
                kTimeCheckInterval) {}
 
   virtual void SetUp() OVERRIDE {
-    host_impl_.InitializeRenderer(
-        FakeOutputSurface::Create3d().PassAs<OutputSurface>());
+    host_impl_.InitializeRenderer(FakeOutputSurface::Create3d());
   }
 
   void SetupPendingTree(const gfx::Size& layer_bounds,
@@ -61,7 +60,7 @@ class PictureLayerImplPerfTest : public testing::Test {
     scoped_ptr<FakePictureLayerImpl> pending_layer =
         FakePictureLayerImpl::CreateWithPile(pending_tree, 7, pile);
     pending_layer->SetDrawsContent(true);
-    pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
+    pending_tree->SetRootLayer(pending_layer.Pass());
 
     pending_layer_ = static_cast<FakePictureLayerImpl*>(
         host_impl_.pending_tree()->LayerById(7));