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        Reviewed by Darin Adler.

        rangeOverflow/rangeUnderflow support for type=date
        https://bugs.webkit.org/show_bug.cgi?id=34209

        * fast/forms/ValidityState-rangeOverflow-date-expected.txt: Added.
        * fast/forms/ValidityState-rangeOverflow-date.html: Added.
        * fast/forms/ValidityState-rangeUnderflow-date-expected.txt: Added.
        * fast/forms/ValidityState-rangeUnderflow-date.html: Added.
        * fast/forms/script-tests/ValidityState-rangeOverflow-date.js: Added.
        * fast/forms/script-tests/ValidityState-rangeUnderflow-date.js: Added.

2010-01-27  Kent Tamura  <tkent@chromium.org>

        Reviewed by Darin Adler.

        rangeOverflow/rangeUnderflow support for type=date
        https://bugs.webkit.org/show_bug.cgi?id=34209

        Add DATE type support to rangeUnderflow(), rangeOverflow(),
        minimum(), and maximum() of HTMLInputElement.
        In order to unify parsing code for value, min, and max strings,
        introduce parseToDouble() function and it is called by
        valueAsDate() and valueAsNumber() too.

        Tests: fast/forms/ValidityState-rangeOverflow-date.html
               fast/forms/ValidityState-rangeUnderflow-date.html

        * html/HTMLInputElement.cpp:
        (WebCore::HTMLInputElement::rangeUnderflow): Support DATE type, and use parseToDouble().
        (WebCore::HTMLInputElement::rangeOverflow): ditto.
        (WebCore::HTMLInputElement::minimum): ditto.
        (WebCore::HTMLInputElement::maximum): ditto.
        (WebCore::HTMLInputElement::doubleValueFor): Added.
        (WebCore::HTMLInputElement::valueAsDate): Use parseToDouble().
        (WebCore::HTMLInputElement::valueAsNumber): Use parseToDouble().
        * html/HTMLInputElement.h: Declare parseToDouble().

git-svn-id: svn://svn.chromium.org/blink/trunk@53975 bbb929c8-8fbe-4397-9dbb-9b2b20218538