Remove initProgressEvent method

Remove initProgressEvent method
https://bugs.webkit.org/show_bug.cgi?id=71340

Patch by Kaustubh Atrawalkar <kaustubh@motorola.com> on 2011-11-17
Reviewed by Adam Barth.

This method has been removed from the spec draft.
http://www.w3.org/TR/progress-events/#interface-progressevent

Source/WebCore:

No new tests. Removed method.

* dom/ProgressEvent.cpp:
* dom/ProgressEvent.h:
* dom/ProgressEvent.idl:

LayoutTests:

No new tests. Removed method. Updated expected results.

* fast/dom/non-numeric-values-numeric-parameters-expected.txt:
* fast/dom/script-tests/non-numeric-values-numeric-parameters.js:
* fast/events/init-events-expected.txt:
* fast/events/script-tests/init-events.js:
* fast/xmlhttprequest/xmlhttprequest-get-expected.txt:
* platform/chromium-cg-mac/fast/xmlhttprequest/xmlhttprequest-get-expected.txt:
* platform/chromium-mac/fast/xmlhttprequest/xmlhttprequest-get-expected.txt:
* platform/chromium-win/fast/xmlhttprequest/xmlhttprequest-get-expected.txt:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@100727 268f45cc-cd09-0410-ab3c-d52691b4dbfc