Change the default TLS errors policy to WEBKIT_TLS_ERRORS_POLICY_FAIL

Change the default TLS errors policy to WEBKIT_TLS_ERRORS_POLICY_FAIL
https://bugs.webkit.org/show_bug.cgi?id=137832

Patch by Michael Catanzaro <mcatanzaro@igalia.com> on 2014-10-20
Reviewed by Carlos Garcia Campos.

Source/WebKit2:

Too many general-purpose browsers that really need this policy
are not selecting it, so let's do so for them.

* UIProcess/API/gtk/WebKitWebContext.cpp:
(createDefaultWebContext):

Tools:

Ensure each test sets the TLS errors policy that it really needs.
Have each test except testTLSErrorsPolicy stash and restore the original
TLS errors policy. Update testTLSErrorsPolicy to account for the new
default policy.

* TestWebKitAPI/Tests/WebKit2Gtk/TestSSL.cpp:
(testSSL):
(testInsecureContent):
(testTLSErrorsPolicy):
(testTLSErrorsRedirect):
(testTLSErrorsHTTPAuth):
(testLoadFailedWithTLSErrors):
(beforeAll):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@174930 268f45cc-cd09-0410-ab3c-d52691b4dbfc