Since gBrowser is going to become a plain JS object instead of a DOM node,
we don't want any callers directly referring to the DOM node to get ahold of it.
MozReview-Commit-ID: KbE5dlTWmS
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 {, <
