Masayuki Nakano e09be3fb17 Bug 1664109 - Fix != operator of EditorDOMRangeBase r=m_kato
This is causes taking back bugs in
`WSRunScanner::GetNewInvisibleLeadingWhiteSpaceRangeIfSplittingAt()` and
`WSRunScanner::GetNewInvisibleTrailingWhiteSpaceRangeIfSplittingAt()`  (I.e.,
they were fixed by bug 1647556).  Therefore, this removes the odd `if` blocks
which are pointed with `XXX` comment for avoiding "regressions" (without them,
some WPTs for `InputEvents.getTargetRanges()` become failure).

Depends on D89582

Differential Revision: https://phabricator.services.mozilla.com/D89869
2020-09-16 02:17:33 +00:00
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