cc: Move worker threads to content.

cc/layers/tiled_layer_unittest.cc

Index: cc/layers/tiled_layer_unittest.cc
diff --git a/cc/layers/tiled_layer_unittest.cc b/cc/layers/tiled_layer_unittest.cc
index 99cc0cafa9e1c82000229e375cc479cef46ac79f..511df0a5fdb809ce04a2d1b318cd2e7a03426c64 100644
--- a/cc/layers/tiled_layer_unittest.cc
+++ b/cc/layers/tiled_layer_unittest.cc
@@ -95,7 +95,7 @@ class TiledLayerTest : public testing::Test {
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
     layer_tree_host_ = LayerTreeHost::CreateThreaded(
         &synchonous_output_surface_client_, shared_bitmap_manager_.get(),
-        nullptr, settings_, base::MessageLoopProxy::current(),
+        nullptr, nullptr, settings_, base::MessageLoopProxy::current(),
         impl_thread_.message_loop_proxy(), nullptr);
     synchonous_output_surface_client_.SetLayerTreeHost(layer_tree_host_.get());
     proxy_ = layer_tree_host_->proxy();
@@ -116,8 +116,8 @@ class TiledLayerTest : public testing::Test {
                                                   0,
                                                   false,
                                                   1);
-    host_impl_ = make_scoped_ptr(
-        new FakeLayerTreeHostImpl(proxy_, shared_bitmap_manager_.get()));
+    host_impl_ = make_scoped_ptr(new FakeLayerTreeHostImpl(
+        proxy_, shared_bitmap_manager_.get(), nullptr));
   }
 
   ~TiledLayerTest() override {