cc: Compute draw transforms dynamically.

cc/layers/scrollbar_layer_unittest.cc

Index: cc/layers/scrollbar_layer_unittest.cc
diff --git a/cc/layers/scrollbar_layer_unittest.cc b/cc/layers/scrollbar_layer_unittest.cc
index 54ff4223fd27d9144a781540d73fc9cf778fa552..36f0779b2fed1eed9ad06b9234debad17c44795d 100644
--- a/cc/layers/scrollbar_layer_unittest.cc
+++ b/cc/layers/scrollbar_layer_unittest.cc
@@ -108,7 +108,6 @@ class ScrollbarLayerTest : public testing::Test {
     layer_tree_settings_.scrollbar_animator = LayerTreeSettings::LINEAR_FADE;
     layer_tree_settings_.scrollbar_fade_delay_ms = 20;
     layer_tree_settings_.scrollbar_fade_duration_ms = 20;
-    layer_tree_settings_.verify_transform_tree_calculations = true;
     layer_tree_settings_.verify_clip_tree_calculations = true;
 
     scrollbar_layer_id_ = -1;
@@ -634,7 +633,6 @@ class ScrollbarLayerSolidColorThumbTest : public testing::Test {
  public:
   ScrollbarLayerSolidColorThumbTest() {
     LayerTreeSettings layer_tree_settings;
-    layer_tree_settings.verify_transform_tree_calculations = true;
     layer_tree_settings.verify_clip_tree_calculations = true;
     host_impl_.reset(new FakeLayerTreeHostImpl(
         layer_tree_settings, &task_runner_provider_, &shared_bitmap_manager_,