Revert r47599 because it breaks PDF viewing on windows.

BUG= 44595, 30880
TEST=  http://www.ich.org/LOB/media/MEDIA3917.pdf doesn't hang the browser.
TBR= tony
Review URL: http://codereview.chromium.org/2320006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@48551 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed