Reviewed by Adele.

        <rdar://problem/4646563> REGRESSION: Unable to send text message from Verizon text message website: vtext.com (12588)
        http://bugs.webkit.org/show_bug.cgi?id=12588

        Carefully revised which focus operations restore previous selection, which clear it, and which
        select the whole control contents, these test cases cover every focus call I could find.
        
        * fast/forms/focus-selection-input-expected.txt: Added.
        * fast/forms/focus-selection-input.html: Added.
        * fast/forms/focus-selection-textarea-expected.txt: Added.
        * fast/forms/focus-selection-textarea.html: Added.
        * fast/forms/onselect-textfield-expected.txt:

WebCore:

        Reviewed by Adele.
        
        <rdar://problem/4646563> REGRESSION: Unable to send text message from Verizon text message website: vtext.com (12588)
        http://bugs.webkit.org/show_bug.cgi?id=12588

        Carefully revised which focus operations restore previo...