Make cc output surface creation async

cc/layers/picture_layer_impl_unittest.cc

Index: cc/layers/picture_layer_impl_unittest.cc
diff --git a/cc/layers/picture_layer_impl_unittest.cc b/cc/layers/picture_layer_impl_unittest.cc
index 4406450b165448c014e6b7d2ce88fb940520c06b..9b90e880ef208d2ffbe2aa2ccf54bcc5d41dfbae 100644
--- a/cc/layers/picture_layer_impl_unittest.cc
+++ b/cc/layers/picture_layer_impl_unittest.cc
@@ -4233,7 +4233,8 @@ void PictureLayerImplTest::TestQuadsForSolidColor(bool test_for_solid) {
 
   FakeContentLayerClient client;
   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
-  scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create();
+  FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
+  scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
   host->SetRootLayer(layer);
   PicturePile* pile = layer->GetPicturePileForTesting();
 
@@ -4308,7 +4309,8 @@ TEST_F(PictureLayerImplTest, NonSolidToSolidNoTilings) {
 
   FakeContentLayerClient client;
   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
-  scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create();
+  FakeLayerTreeHostClient host_client(FakeLayerTreeHostClient::DIRECT_3D);
+  scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create(&host_client);
   host->SetRootLayer(layer);
   PicturePile* pile = layer->GetPicturePileForTesting();