reverted due to the issue crbug.com/174505.

Processed 1207 files (out of 2963 files) in 01:47:33s
Result : 819512 => 549527 bytes (269985 bytes : 32 %)

TBR=thakis@chromium.org
BUG=none
TEST=none

Review URL: https://codereview.chromium.org/12208061

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@181227 0039d316-1c4b-4281-b951-d872f2087c98