Add a preference and command-line option to disable SSL/TLS cipher suites

R=battre
BUG=58831
TEST=unit_tests --gtest_filter=CommandLinePrefStoreTest.DisableSSLCipherSuites:SSLConfigServiceManagerPrefTest.*

Review URL: http://codereview.chromium.org/7462008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93778 0039d316-1c4b-4281-b951-d872f2087c98
11 files changed