Remove some dead code from AXObjectCache

Source/core/accessibility/AXObjectCache.cpp

Index: Source/core/accessibility/AXObjectCache.cpp
diff --git a/Source/core/accessibility/AXObjectCache.cpp b/Source/core/accessibility/AXObjectCache.cpp
index 1435f528ffb487160fab0afa0b988158eebcf333..b7aed36c6937dbd725a0ac18210ca237c2be0f64 100644
--- a/Source/core/accessibility/AXObjectCache.cpp
+++ b/Source/core/accessibility/AXObjectCache.cpp
@@ -913,61 +913,6 @@ 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();