[Mac] Add tests for secure event input
        https://bugs.webkit.org/show_bug.cgi?id=116121

        Reviewed by Mark Rowe.

        * editing/secure-input: Added.
        * editing/secure-input/password-input-changed-type-expected.txt: Added.
        * editing/secure-input/password-input-changed-type.html: Added.
        * editing/secure-input/password-input-focusing-expected.txt: Added.
        * editing/secure-input/password-input-focusing-to-different-frame-expected.txt: Added.
        * editing/secure-input/password-input-focusing-to-different-frame.html: Added.
        * editing/secure-input/password-input-focusing.html: Added.
        * editing/secure-input/removed-password-input-expected.txt: Added.
        * editing/secure-input/removed-password-input.html: Added.
        * editing/secure-input/reset-state-on-navigation-expected.txt: Added.
        * editing/secure-input/reset-state-on-navigation.html: Added.
        * editing/secure-input/resources: Added.
        * editing/secure-input/resources/reset-state-on-navigation-target.html: Added.
        * platform/efl/TestExpectations:
        * platform/gtk/TestExpectations:
        * platform/mac-wk2/TestExpectations:
        * platform/mac/TestExpectations:
        * platform/qt/TestExpectations:
        * platform/win/TestExpectations:
        * platform/wincairo/TestExpectations:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150090 268f45cc-cd09-0410-ab3c-d52691b4dbfc