Fix initial erroneous navigation in iframe to not add history entry.

The underlying issue is that AUTO_SUBFRAME transition type was incorrectly being set on subframe navigations. I'm fixing this to be compliant with the HTML5 spec.

Blink side of this patch is https://codereview.chromium.org/25269006/.

BUG=178380

Review URL: https://codereview.chromium.org/15294012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226669 0039d316-1c4b-4281-b951-d872f2087c98
Update OOM killer to patch out CFAllocator on 10.9.

BUG=301757
TEST=none
NOTRY=true

Review URL: https://codereview.chromium.org/25288002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226670 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226670