BUG=67091, 92045, 92218
TEST=Print a PDF with print scaling disabled and see that it takes up the entire page.
Review URL: http://codereview.chromium.org/8312003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@105893 0039d316-1c4b-4281-b951-d872f2087c98