<Swing Dev> RFR: 4907798: MEMORY LEAK: javax.swing.plaf.basic.BasicPopupMenuUI$MenuKeyboardHelper

[Alexander Zuev]

4907798: MEMORY LEAK: javax.swing.plaf.basic.BasicPopupMenuUI$MenuKeyboardHelper

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Commit messages:
 - 4907798: MEMORY LEAK: javax.swing.plaf.basic.BasicPopupMenuUI$MenuKeyboardHelper
 - Merge pull request #1 from openjdk/master

Changes: https://git.openjdk.java.net/jdk/pull/1035/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1035&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-4907798
  Stats: 183 lines in 3 files changed: 181 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1035.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1035/head:pull/1035

PR: https://git.openjdk.java.net/jdk/pull/1035