RFR: 8337481: File API: file.name contains path instead of name [v2]

[Oliver Schmidtmer]

> FileSystemJava had no valid implementation for pathFileName since the function was renamed from pathGetFileName to pathFileName in the FileSystem.h from WebKit

Oliver Schmidtmer has updated the pull request incrementally with one additional commit since the last revision:

  add test

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1551/files
  - new: https://git.openjdk.org/jfx/pull/1551/files/328f32b8..85d11d4e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1551&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1551&range=00-01

  Stats: 94 lines in 1 file changed: 94 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/1551.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1551/head:pull/1551

PR: https://git.openjdk.org/jfx/pull/1551