Bump up the version of Native Client used in Chrome.

BUG=none
TEST=all tests pass, especially nacl_ui_tests

Review URL: http://codereview.chromium.org/3461034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60975 0039d316-1c4b-4281-b951-d872f2087c98