RFR: 8325258: Cherry-pick WebKit 617.1 stabilization fixes (2)

[Hima Bindu Meda]

Cherry-picked changes related to webkit-2.42.5. Verified build on all platforms. Sanity testing looks fine.

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Commit messages:
 - white space correction
 -  commit 3d5373575695b293b8559155431d0079a6153aff from webkitglib/2.42 to resolve build error on 32 bit
 - cherry-pick 2.42.5

Changes: https://git.openjdk.org/jfx/pull/1362/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1362&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325258
  Stats: 1877 lines in 128 files changed: 1101 ins; 288 del; 488 mod
  Patch: https://git.openjdk.org/jfx/pull/1362.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1362/head:pull/1362

PR: https://git.openjdk.org/jfx/pull/1362