A 1200 Node application sees a 2/3rds reduction of ListChangeBuilder's created. Every `Node` for example has an `ObservableList` for style classes, and every `Parent` has one for stylesheets, which rarely if ever change.
------------- Commit messages: - Defer initialization of ListChangeBuilder in ObservableListBase Changes: https://git.openjdk.org/jfx/pull/1075/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1075&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8304960 Stats: 18 lines in 1 file changed: 8 ins; 0 del; 10 mod Patch: https://git.openjdk.org/jfx/pull/1075.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1075/head:pull/1075 PR: https://git.openjdk.org/jfx/pull/1075
