GitLab

Fix partially broken pattern keys and delete invalid pattern keys of the obsolete content settings pattern pref.

BUG=90490
TEST=content_settings_pref_provider_unittest.cc

Review URL: http://codereview.chromium.org/7529025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95991 0039d316-1c4b-4281-b951-d872f2087c98