https://bugs.webkit.org/show_bug.cgi?id=67173

Reviewed by Darin Adler.

Source/WebCore: 

Exposed HTMLInputElement::lastChangeWasUserEdit and HTMLTextAreaElement::lastChangeWasUserEdit
via internals.wasLastChangeUserEdit(Element*, ExceptionCode&). The first argument must be
an input element or a textarea element lastChangeWasUserEdit is called upon.

Test: fast/forms/textfield-lastchange-was-useredit.html

* testing/Internals.cpp:
(WebCore::Internals::wasLastChangeUserEdit):
* testing/Internals.h:
* testing/Internals.idl:

LayoutTests: 

Added some basic test for HTMLInputElement::lastChangeWasUserEdit and
HTMLTextAreaElement::lastChangeWasUserEdit.

* fast/forms/textfield-lastchange-was-useredit-expected.txt: Added.
* fast/forms/textfield-lastchange-was-useredit.html: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@94038 268f45cc-cd09-0410-ab3c-d52691b4dbfc