Make the tests use 64-bit nexes when running 64-bit Linux Chrome
Make the tests use 64-bit nexes when running 64-bit Linux Chrome

BUG=38714
TEST=watch NaCl integration Linux bot


Review URL: http://codereview.chromium.org/1479001

git-svn-id: http://src.chromium.org/svn/trunk/src@42908 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6010b02d6350134698a211696e6cbd72fa7bf1b7
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