Clean backport of fix to add missing copyright headers. No changes other than comments.
------------- Commit messages: - 8209086: Some javafx.web files are missing GPLv2+Classpath copyright header Changes: https://git.openjdk.java.net/jfx11u/pull/28/files Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=28&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8209086 Stats: 591 lines in 27 files changed: 591 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jfx11u/pull/28.diff Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/28/head:pull/28 PR: https://git.openjdk.java.net/jfx11u/pull/28
