RFR: JDK-8371364 : Refactor javax/swing/JFileChooser/FileSizeCheck.java to use Util.findComponent() [v2]

[Harshitha Onkar]

> FileSizeCheck.java test changes related to addition of new method to Util - https://github.com/openjdk/jdk/pull/27944.

Harshitha Onkar has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into Util_FileSizeCheck
 - indentation
 - test update

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/28168/files
  - new: https://git.openjdk.org/jdk/pull/28168/files/a7273e14..68a9b845

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28168&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28168&range=00-01

  Stats: 104030 lines in 1543 files changed: 59145 ins; 35437 del; 9448 mod
  Patch: https://git.openjdk.org/jdk/pull/28168.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28168/head:pull/28168

PR: https://git.openjdk.org/jdk/pull/28168