cc: Compute target space transform dynamically

cc/trees/property_tree_builder.cc

Index: cc/trees/property_tree_builder.cc
diff --git a/cc/trees/property_tree_builder.cc b/cc/trees/property_tree_builder.cc
index 6d9c2f20c70effbfdc49a256683c9e7e55980cfb..0c21e9aee4ff1c4b1faef801e6c761b80390a0e1 100644
--- a/cc/trees/property_tree_builder.cc
+++ b/cc/trees/property_tree_builder.cc
@@ -1406,6 +1406,10 @@ void PropertyTreeBuilder::BuildPropertyTrees(
     PropertyTrees* property_trees) {
   property_trees->is_main_thread = true;
   property_trees->is_active = false;
+  property_trees->verify_transform_tree_calculations =
+      root_layer->layer_tree_host()
+          ->settings()
+          .verify_transform_tree_calculations;
   SkColor color = root_layer->layer_tree_host()->background_color();
   if (SkColorGetA(color) != 255)
     color = SkColorSetA(color, 255);
@@ -1418,6 +1422,7 @@ void PropertyTreeBuilder::BuildPropertyTrees(
   for (auto* layer : *root_layer->layer_tree_host())
     CheckScrollAndClipPointersForLayer(layer);
 #endif
+  property_trees->ResetCachedData();
 }
 
 void PropertyTreeBuilder::BuildPropertyTrees(
@@ -1434,6 +1439,10 @@ void PropertyTreeBuilder::BuildPropertyTrees(
     PropertyTrees* property_trees) {
   property_trees->is_main_thread = false;
   property_trees->is_active = root_layer->IsActive();
+  property_trees->verify_transform_tree_calculations =
+      root_layer->layer_tree_impl()
+          ->settings()
+          .verify_transform_tree_calculations;
   SkColor color = root_layer->layer_tree_impl()->background_color();
   if (SkColorGetA(color) != 255)
     color = SkColorSetA(color, 255);