RFR: 8307363: TextFlow.underlineShape() [v3]

[Andy Goryachev]

> Adding TextFlow.underlineShape() to add support for a spellchecker-like decoration, using 
> 
> getRange(start, end, TextLayout.TYPE_UNDERLINE);
> 
> 
> which mirrors an existing method in Text with exactly the same signature.

Andy Goryachev has updated the pull request incrementally with one additional commit since the last revision:

  review comments

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1127/files
  - new: https://git.openjdk.org/jfx/pull/1127/files/53ad2540..8c997262

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1127&range=02
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1127&range=01-02

  Stats: 14 lines in 1 file changed: 0 ins; 10 del; 4 mod
  Patch: https://git.openjdk.org/jfx/pull/1127.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1127/head:pull/1127

PR: https://git.openjdk.org/jfx/pull/1127