<rdar://problem/4717965> Text Field text parameterized attributes should work
        <rdar://problem/4712111> Support NSAccessibilityInsertionPointLineNumberAttribute for AXTextArea elements

        * bridge/mac/WebCoreAXObject.mm:
        (-[WebCoreAXObject accessibilityAttributeValue:]):
        Use new line number support to implement NSAccessibilityInsertionPointLineNumberAttribute.
        
        (-[WebCoreAXObject accessibilityParameterizedAttributeNames]):
        Cleaned up. Added text field and text area parameterzed attributes.
        
        (-[WebCoreAXObject doAXLineForTextMarker:]):
        Fixed to be zero-based and to deal with the first position properly.
        
        (-[WebCoreAXObject doAXTextMarkerRangeForLine:]):
        Minor formatting.
        
        (-[WebCoreAXObject textMarkerForIndex:lastIndexOK:]):
        (-[WebCoreAXObject indexForTextMarker:]):
        (-[WebCoreAXObject textMarkerRangeForRange:]):
        (-[WebCoreAXObject rangeForTextMarkerRange:]):
        New utility methods.
        
        (-[WebCoreAXObject doAXLineForIndex:]):
        (-[WebCoreAXObject doAXRangeForLine:]):
        (-[WebCoreAXObject doAXStringForRange:]):
        (-[WebCoreAXObject doAXRangeForPosition:]):
        (-[WebCoreAXObject doAXRangeForIndex:]):
        (-[WebCoreAXObject doAXBoundsForRange:]):
        (-[WebCoreAXObject doAXAttributedStringForRange:]):
        (-[WebCoreAXObject doAXRTFForRange:]):
        (-[WebCoreAXObject doAXStyleRangeForIndex:]):
        Implement text field and text area parameterized attributes.
         
        (-[WebCoreAXObject accessibilityAttributeValue:forParameter:]):
        Added text field and text area parameterzed attributes.

        * rendering/RenderTextControl.h:
        Made indexForVisiblePosition() and visiblePositionForIndex() public.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@16567 268f45cc-cd09-0410-ab3c-d52691b4dbfc