Set the opaque property for JToolTip in config file (skin.laf) of NimbusLookAndFeel instead of setting up in the SynthToolTipUI. This is related to the discussion on PR https://github.com/openjdk/jdk/pull/3167.
------------- Commit messages: - set opaque for JTooltip in config file Changes: https://git.openjdk.java.net/jdk/pull/3837/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3837&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8264950 Stats: 3 lines in 3 files changed: 0 ins; 1 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/3837.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/3837/head:pull/3837 PR: https://git.openjdk.java.net/jdk/pull/3837
