Revert of https://codereview.chromium.org/85403005/
Reason for revert: Breaks Chromium x64

TBR=robertshield@chromium.org,caitkp@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/105573003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238807 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238807