Remove some dead code from AXObjectCache

Source/core/accessibility/AXObjectCache.cpp

 /*
  * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 895 matching lines @@
     // FIXME: no longer needed. When Chromium no longer calls
     // WebAXObject::startCachingComputedObjectAttributesUntilTreeMutates,
     // delete this function and the WebAXObject interfaces.
 }
 
 void AXObjectCache::stopCachingComputedObjectAttributes()
 {
     // FIXME: no longer needed (see above).
 }
 
-VisiblePosition AXObjectCache::visiblePositionForTextMarkerData(TextMarkerData& textMarkerData)
-{
-    if (!isNodeInUse(textMarkerData.node))
-        return VisiblePosition();
-
-    // FIXME: Accessability should make it clear these are DOM-compliant offsets or store Position objects.
-    VisiblePosition visiblePos = VisiblePosition(createLegacyEditingPosition(textMarkerData.node, textMarkerData.offset), textMarkerData.affinity);
-    Position deepPos = visiblePos.deepEquivalent();
-    if (deepPos.isNull())
-        return VisiblePosition();
-
-    RenderObject* renderer = deepPos.deprecatedNode()->renderer();
-    if (!renderer)
-        return VisiblePosition();
-
-    AXObjectCache* cache = renderer->document().axObjectCache();
-    if (!cache->isIDinUse(textMarkerData.axID))
-        return VisiblePosition();
-
-    if (deepPos.deprecatedNode() != textMarkerData.node || deepPos.deprecatedEditingOffset() != textMarkerData.offset)
-        return VisiblePosition();
-
-    return visiblePos;
-}
-
-void AXObjectCache::textMarkerDataForVisiblePosition(TextMarkerData& textMarkerData, const VisiblePosition& visiblePos)
-{
-    // This memory must be bzero'd so instances of TextMarkerData can be tested for byte-equivalence.
-    // This also allows callers to check for failure by looking at textMarkerData upon return.
-    memset(&textMarkerData, 0, sizeof(TextMarkerData));
-
-    if (visiblePos.isNull())
-        return;
-
-    Position deepPos = visiblePos.deepEquivalent();
-    Node* domNode = deepPos.deprecatedNode();
-    ASSERT(domNode);
-    if (!domNode)
-        return;
-
-    if (isHTMLInputElement(*domNode) && toHTMLInputElement(*domNode).isPasswordField())
-        return;
-
-    // find or create an accessibility object for this node
-    AXObjectCache* cache = domNode->document().axObjectCache();
-    RefPtr<AXObject> obj = cache->getOrCreate(domNode);
-
-    textMarkerData.axID = obj.get()->axObjectID();
-    textMarkerData.node = domNode;
-    textMarkerData.offset = deepPos.deprecatedEditingOffset();
-    textMarkerData.affinity = visiblePos.affinity();
-
-    cache->setNodeInUse(domNode);
-}
-
 const Element* AXObjectCache::rootAXEditableElement(const Node* node)
 {
     const Element* result = node->rootEditableElement();
     const Element* element = node->isElementNode() ? toElement(node) : node->parentElement();
 
     for (; element; element = element->parentElement()) {
         if (nodeIsTextControl(element))
             result = element;
     }
 
@@ skipping 86 matching lines @@
 {
     postPlatformNotification(getOrCreate(scrollView), AXScrollPositionChanged);
 }
 
 void AXObjectCache::handleScrollPositionChanged(RenderObject* renderObject)
 {
     postPlatformNotification(getOrCreate(renderObject), AXScrollPositionChanged);
 }
 
 } // namespace WebCore