Reviewed by Darin Adler.

        HTMLInputElement::valueAsNumber support except type=datetime-local.
        https://bugs.webkit.org/show_bug.cgi?id=32696

        input-valueasnumber-datetime-expected.txt and
        input-valueasnumber-time-expected.txt have FAIL lines because they
        test unimplemented features.

        * fast/forms/input-valueasnumber-date-expected.txt: Added.
        * fast/forms/input-valueasnumber-date.html: Added.
        * fast/forms/input-valueasnumber-datetime-expected.txt: Added.
        * fast/forms/input-valueasnumber-datetime.html: Added.
        * fast/forms/input-valueasnumber-month-expected.txt: Added.
        * fast/forms/input-valueasnumber-month.html: Added.
        * fast/forms/input-valueasnumber-number-expected.txt: Added.
        * fast/forms/input-valueasnumber-number.html: Added.
        * fast/forms/input-valueasnumber-range-expected.txt: Added.
        * fast/forms/input-valueasnumber-range.html: Added.
        * fast/forms/input-valueasnumber-time-expected.txt: Added.
        * fast/forms/input-valueasnumber-time.html: Added.
        * fast/forms/input-valueasnumber-unsupported-expected.txt: Added.
        * fast/forms/input-valueasnumber-unsupported.html: Added.
        * fast/forms/input-valueasnumber-week-expected.txt: Added.
        * fast/forms/input-valueasnumber-week.html: Added.
        * fast/forms/script-tests/input-valueasnumber-date.js: Added.
        * fast/forms/script-tests/input-valueasnumber-datetime.js: Added.
        * fast/forms/script-tests/input-valueasnumber-month.js: Added.
        * fast/forms/script-tests/input-valueasnumber-number.js: Added.
        * fast/forms/script-tests/input-valueasnumber-range.js: Added.
        * fast/forms/script-tests/input-valueasnumber-time.js: Added.
        * fast/forms/script-tests/input-valueasnumber-unsupported.js: Added.
        * fast/forms/script-tests/input-valueasnumber-week.js: Added.

2010-01-26  Kent Tamura  <tkent@chromium.org>

        Reviewed by Darin Adler.

        HTMLInputElement::valueAsNumber support except type=datetime-local.
        https://bugs.webkit.org/show_bug.cgi?id=32696

        Tests: fast/forms/input-valueasnumber-date.html
               fast/forms/input-valueasnumber-datetime.html
               fast/forms/input-valueasnumber-month.html
               fast/forms/input-valueasnumber-number.html
               fast/forms/input-valueasnumber-range.html
               fast/forms/input-valueasnumber-time.html
               fast/forms/input-valueasnumber-unsupported.html
               fast/forms/input-valueasnumber-week.html

        * html/HTMLInputElement.cpp:
        (WebCore::HTMLInputElement::valueAsNumber):
          According to the specification, we should return NaN for invalid values.
        (WebCore::HTMLInputElement::setValueAsNumber):
          According to the specification, throws NOT_SUPPORTED_ERR for Infinitiy or NaN,
          and throws INVALID_STATE_ERR for unsupported types.
        (WebCore::HTMLInputElement::formStringToDouble):
          According to the step 14 of Real Number in the specification, we
          should round -0 to 0.
        * html/HTMLInputElement.h: Declare valueAsNumber() and setValueAsNumber().
        * html/HTMLInputElement.idl: Add valueAsNumber.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@53893 268f45cc-cd09-0410-ab3c-d52691b4dbfc