RFR: 8313711: Cherry-pick WebKit 616.1 stabilization fixes [v2]

[Hima Bindu Meda]

> Cherry-picked commits from webkitgtk-2.40.5.
> Verified build on windows, mac and linux. Sanity testing looks fine. No issues seen

Hima Bindu Meda has updated the pull request incrementally with one additional commit since the last revision:

  Correct indentation

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1196/files
  - new: https://git.openjdk.org/jfx/pull/1196/files/f53e0dd7..036c9601

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1196&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1196&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jfx/pull/1196.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1196/head:pull/1196

PR: https://git.openjdk.org/jfx/pull/1196