Mozart: Replace Set/Reset nomenclature with Set/Clear.

services/ui/view_manager/view_tree_impl.cc

Index: services/ui/view_manager/view_tree_impl.cc
diff --git a/services/ui/view_manager/view_tree_impl.cc b/services/ui/view_manager/view_tree_impl.cc
index 9cdcca1b25a4e856266150a4f0cd770c3798a4dd..904188cf27fb28f08e651baa51c1aec372ad4346 100644
--- a/services/ui/view_manager/view_tree_impl.cc
+++ b/services/ui/view_manager/view_tree_impl.cc
@@ -40,9 +40,9 @@ void ViewTreeImpl::SetRoot(
   registry_->SetRoot(state_, root_key, root_view_owner.Pass());
 }
 
-void ViewTreeImpl::ResetRoot(mojo::InterfaceRequest<mojo::ui::ViewOwner>
+void ViewTreeImpl::ClearRoot(mojo::InterfaceRequest<mojo::ui::ViewOwner>
                                  transferred_view_owner_request) {
-  registry_->ResetRoot(state_, transferred_view_owner_request.Pass());
+  registry_->ClearRoot(state_, transferred_view_owner_request.Pass());
 }
 
 static void RunLayoutRootCallback(