Don't persist HPKP if PrivacyMode is enabled.

BUG=258667

Review URL: https://chromiumcodereview.appspot.com/19269012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@224269 0039d316-1c4b-4281-b951-d872f2087c98
17 files changed