<AWT Dev> RFR: 8256110: Create implementation for NSAccessibilityStepper protocol [v2]

[Alexander Zuev]

> 8256110: Create implementation for NSAccessibilityStepper protocol

Alexander Zuev has updated the pull request incrementally with one additional commit since the last revision:

  Code cleanup

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2092/files
  - new: https://git.openjdk.java.net/jdk/pull/2092/files/43b4ef01..ebb4bb20

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2092&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2092&range=00-01

  Stats: 4 lines in 1 file changed: 0 ins; 4 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2092.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2092/head:pull/2092

PR: https://git.openjdk.java.net/jdk/pull/2092