2014-04-02  Shilpa Shri  <shilpa.shri@samsung.com>

        LayoutTest are out of date [Part 3]
        Issue #334

        Updating html files related to extension.

        Reviewed by Antonio and Sharath.

        * webcl/tests/webcl-test-gl-extension-instanceof.html:
        * webcl/tests/webcl-test-interop-renderbuffer.html:
        * webcl/tests/webcl-test-interop-texture.html:
        * webcl/tests/webcl-test-interop.html: