Explicitly ask for unsigned values when comparing addresses. Not only is this code hard to understand (and possibly broken) otherwise, some versions of GCC complain about the comparison without the cast.
Explicitly ask for unsigned values when comparing addresses. Not only is this
code hard to understand (and possibly broken) otherwise, some versions of
GCC complain about the comparison without the cast.

TEST=none
BUG=none
Review URL: http://codereview.chromium.org/657034

git-svn-id: http://src.chromium.org/svn/trunk/src@39838 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: cdcb361c98b0586abdd43d1f9a4028ca76f52ba4
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser