Reviewed by darin
        
        <http://bugzilla.opendarwin.org/show_bug.cgi?id=6893> 
        REGRESSION: Major bug with TinyMCE, no value submitted from textarea
        <rdar://problem/3465857> value from textarea form field inside of hidden div isn't submitted
        <rdar://problem/3968059> Textarea with hard-wrap: pre-filled text doesn't get hard-wrapped

        * fast/forms/textarea-hard-linewrap-expected.txt: Added.
        * fast/forms/textarea-hard-linewrap.html: Added.
        * fast/forms/textarea-setvalue-submit-expected.txt: Added.
        * fast/forms/textarea-setvalue-submit.html: Added.

WebCore:

        Reviewed by darin
        
        <http://bugzilla.opendarwin.org/show_bug.cgi?id=6893> 
        REGRESSION: Major bug with TinyMCE, no value submitted from textarea
        <rdar://problem/3465857> value from textarea form field inside of hidden div isn't submitted
        <rdar://problem/3968059> Textarea with hard-wrap: pre-filled text doesn't get hard-wrapped
        
        Canonicalize line endings in textareas to avoid the workarounds that were a source of bugs,
        Also call textWithHardLineWraps inside appendFormData (and nowhere else) if wrap="hard".

        * khtml/html/HTMLTextAreaElementImpl.cpp:
        (WebCore::HTMLTextAreaElementImpl::HTMLTextAreaElementImpl):
        (WebCore::HTMLTextAreaElementImpl::select):
        (WebCore::HTMLTextAreaElementImpl::appendFormData):
        (WebCore::HTMLTextAreaElementImpl::rendererWillBeDestroyed):
        (WebCore::HTMLTextAreaElementImpl::updateValue):
        (WebCore::HTMLTextAreaElementImpl::value):
        (WebCore::HTMLTextAreaElementImpl::setValue):
        (WebCore::HTMLTextAreaElementImpl::defaultValue):
        * khtml/html/HTMLTextAreaElementImpl.h:
        (DOM::HTMLTextAreaElementImpl::invalidateValue):
        * kwq/KWQTextArea.h:
        * kwq/KWQTextArea.mm:
        (-[KWQTextAreaTextView textDidChange:]):
        (-[KWQTextAreaTextView text]):
        (-[KWQTextAreaTextView textWithHardLineBreaks]):
        (-[KWQTextAreaTextView setSelectedRange:]):
        (-[KWQTextAreaTextView selectedRange]):
        (-[KWQTextAreaTextView getCursorPositionAsIndex:inParagraph:]):
        (RangeOfParagraph):
        (-[KWQTextAreaTextView textView:shouldChangeTextInRange:replacementString:]):
        * rendering/render_form.cpp:
        (WebCore::RenderTextArea::destroy):
        (WebCore::RenderTextArea::updateFromElement):
        (WebCore::RenderTextArea::text):
        (WebCore::RenderTextArea::textWithHardLineBreaks):
        * rendering/render_form.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@13051 268f45cc-cd09-0410-ab3c-d52691b4dbfc