RFR: 8336798: DRT test cssrounding.html test for linear layout fails with WebKit 619.1 [v3]

[Jay Bhaskar]

> Issue: CSSRounding.html DRT Test fails due sub pixel layout. The fractional value adds up to 1px extra height.
> Solution: The Prefer height calculation should do flooring of fractional values. This is valid for Linear Layout which is a legacy support to most of the browsers.

Jay Bhaskar has updated the pull request incrementally with one additional commit since the last revision:

  restore master file

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1514/files
  - new: https://git.openjdk.org/jfx/pull/1514/files/d166caef..0813acc4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1514&range=02
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1514&range=01-02

  Stats: 502 lines in 1 file changed: 502 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/1514.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1514/head:pull/1514

PR: https://git.openjdk.org/jfx/pull/1514