RFR: 8268164: Adopt cast notation for WorkerThread conversions [v3]

Thu Jun 3 13:14:54 UTC 2021

> Followup of JDK-8267916 (#4240), the same refactoring for `WorkerThread`.

Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:

  review

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4334/files
  - new: https://git.openjdk.java.net/jdk/pull/4334/files/daf5990f..c032002b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4334&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4334&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4334.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4334/head:pull/4334

PR: https://git.openjdk.java.net/jdk/pull/4334