Merge 122212 - RTL calendar picker for <input type=date> is too narrow and clipped

Merge 122212 - RTL calendar picker for <input type=date> is too narrow and clipped
https://bugs.webkit.org/show_bug.cgi?id=90864

Reviewed by Kentaro Hara.

.:

* ManualTests/forms/calendar-picker.html:
- Add isRTL:true for the arabic setting
- Reset the iframe size when the setting is changed.

Source/WebCore:

Tests: ManualTests/forms/calendar-picker.html

* Resources/calendarPicker.js:
(fixWindowSize):
Checks the left edge of elemenets in RTL.
(layout): Add dir=ltr for the manual test, which re-uses the document.


TBR=tkent@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=122908