There are some places where we have a thing which may not even be a node, and
we end up hardcoding the value of DOCUMENT_NODE there, because
"foo.nodeType == foo.DOCUMENT_NODE" will test true if foo is not a node: both
sides will be undefined.
Manually-implemented QueryInterface functions don't benefit from the
MozQueryInterface optimizaions, and a lot of them are in hot code, and
implement a large number of interfaces.
MozReview-Commit-ID: 8OzglraowZt
This patch was autogenerated by my decomponents.py
It covers almost every file with the extension js, jsm, html, py,
xhtml, or xul.
It removes blank lines after removed lines, when the removed lines are
preceded by either blank lines or the start of a new block. The "start
of a new block" is defined fairly hackily: either the line starts with
//, ends with */, ends with {, <
