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

cc/layers/layer_impl_unittest.cc

Index: cc/layers/layer_impl_unittest.cc
diff --git a/cc/layers/layer_impl_unittest.cc b/cc/layers/layer_impl_unittest.cc
index c5cac8dfe841356828ab284f42931e1922699d5a..b9366acfbd74dba95ecc473bc392fc0e561857db 100644
--- a/cc/layers/layer_impl_unittest.cc
+++ b/cc/layers/layer_impl_unittest.cc
@@ -86,8 +86,7 @@ TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) {
   FakeImplProxy proxy;
   TestSharedBitmapManager shared_bitmap_manager;
   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
-  EXPECT_TRUE(host_impl.InitializeRenderer(
-      FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
+  EXPECT_TRUE(host_impl.InitializeRenderer(FakeOutputSurface::Create3d()));
   scoped_ptr<LayerImpl> root_clip =
       LayerImpl::Create(host_impl.active_tree(), 1);
   scoped_ptr<LayerImpl> root_ptr =
@@ -247,8 +246,7 @@ TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) {
   FakeImplProxy proxy;
   TestSharedBitmapManager shared_bitmap_manager;
   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
-  EXPECT_TRUE(host_impl.InitializeRenderer(
-      FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
+  EXPECT_TRUE(host_impl.InitializeRenderer(FakeOutputSurface::Create3d()));
   host_impl.active_tree()->SetRootLayer(
       LayerImpl::Create(host_impl.active_tree(), 1));
   LayerImpl* root = host_impl.active_tree()->root_layer();
@@ -357,8 +355,7 @@ TEST(LayerImplTest, SafeOpaqueBackgroundColor) {
   FakeImplProxy proxy;
   TestSharedBitmapManager shared_bitmap_manager;
   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
-  EXPECT_TRUE(host_impl.InitializeRenderer(
-      FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
+  EXPECT_TRUE(host_impl.InitializeRenderer(FakeOutputSurface::Create3d()));
   scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1);
 
   for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) {