cc : Clean up cc clip tree

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 8824b2880d9ecb1b055a02837cfc7a247432d1a2..f61fb42bfacf71b8784bb093ea8ccede0a1762e5 100644
--- a/cc/layers/scrollbar_layer_unittest.cc
+++ b/cc/layers/scrollbar_layer_unittest.cc
@@ -111,7 +111,6 @@ class ScrollbarLayerTest : public testing::Test {
         base::TimeDelta::FromMilliseconds(20);
     layer_tree_settings_.scrollbar_fade_out_duration =
         base::TimeDelta::FromMilliseconds(20);
-    layer_tree_settings_.verify_clip_tree_calculations = true;
 
     scrollbar_layer_id_ = -1;
 
@@ -693,7 +692,6 @@ class ScrollbarLayerSolidColorThumbTest : public testing::Test {
  public:
   ScrollbarLayerSolidColorThumbTest() {
     LayerTreeSettings layer_tree_settings;
-    layer_tree_settings.verify_clip_tree_calculations = true;
     host_impl_.reset(new FakeLayerTreeHostImpl(
         layer_tree_settings, &task_runner_provider_, &task_graph_runner_));