Revert 207759 "Disable TLS 1.2 if USE_OPENSSL is defined (such a..."

With r208081 (https://codereview.chromium.org/16879015), it is safe to
re-enable TLS 1.2 for USE_OPENSSL.

> Disable TLS 1.2 if USE_OPENSSL is defined (such as on Android) to
> prevent ClientHello from being larger than 256 bytes. Some broken
> servers can't handle a large ClientHello.
> 
> R=agl@chromium.org,rsleevi@chromium.org
> BUG=90392,245500,247691
> TEST=none
> 
> Review URL: https://chromiumcodereview.appspot.com/17094016

TBR=wtc@chromium.org

Review URL: https://codereview.chromium.org/17553016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@208102 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed