Reviewed by Darin, Ken.

    Reviewed by Darin, Ken.

        <rdar://problem/3964470> AX: Include attachments in AXAttributedStringForTextMarkerRange

        * kwq/KWQAccObject.mm:
        (-[KWQAccObject isAttachment]):
        (-[KWQAccObject attachmentView]):
        (-[KWQAccObject role]):
        (-[KWQAccObject subrole]):
        (-[KWQAccObject roleDescription]):
        (-[KWQAccObject value]):
        (-[KWQAccObject title]):
        (-[KWQAccObject accessibilityDescription]):
        (-[KWQAccObject accessibilityIsIgnored]):
        (-[KWQAccObject accessibilityAttributeNames]):
        (-[KWQAccObject accessibilityAttributeValue:]):
        Make attachments accessible.

        (CreateCGColorIfDifferent):
        (AXAttributeStringSetColor):
        (AXAttributeStringSetNumber):
        (AXAttributeStringSetFont):
        (AXAttributeStringSetStyle):
        (AXAttributeStringSetElement):
        (AXLinkElementForNode):
        (AXAttributedStringAppendText):
        (AXAttributedStringAppendReplaced):
        (-[KWQAccObject doAXAttributedStringForTextMarkerRange:]):
        Add attachments and more text attributes to AXAttributedStringForTextMarkerRange.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8459 268f45cc-cd09-0410-ab3c-d52691b4dbfc