cc: Add verify transform tree calculations to LayerTreeSettings

cc/trees/layer_tree_impl_unittest.cc

Index: cc/trees/layer_tree_impl_unittest.cc
diff --git a/cc/trees/layer_tree_impl_unittest.cc b/cc/trees/layer_tree_impl_unittest.cc
index 2e21482e20b56c67bc12d5386bf190bd9c2800fb..a7997b83e81994d04e142ce633789fba22270cd6 100644
--- a/cc/trees/layer_tree_impl_unittest.cc
+++ b/cc/trees/layer_tree_impl_unittest.cc
@@ -27,6 +27,7 @@ class LayerTreeImplTest : public LayerTreeHostCommonTest {
     LayerTreeSettings settings;
     settings.layer_transforms_should_scale_layer_contents = true;
     settings.verify_clip_tree_calculations = true;
+    settings.verify_transform_tree_calculations = true;
     host_impl_.reset(new FakeLayerTreeHostImpl(settings, &task_runner_provider_,
                                                &shared_bitmap_manager_,
                                                &task_graph_runner_));
@@ -113,6 +114,7 @@ TEST_F(LayerTreeImplTest, UpdateViewportAndHitTest) {
   FakeImplTaskRunnerProvider task_runner_provider;
   LayerTreeSettings settings;
   settings.verify_clip_tree_calculations = true;
+  settings.verify_transform_tree_calculations = true;
   std::unique_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
   std::unique_ptr<FakeLayerTreeHostImpl> host_impl;
   host_impl.reset(new FakeLayerTreeHostImpl(settings, &task_runner_provider,