bug 801459 - remove unused function r=surkov

accessible/src/base/AccEvent.h

@@ -62,7 +62,7 @@ public:
   AccEvent(uint32_t aEventType, Accessible* aAccessible,
            EIsFromUserInput aIsFromUserInput = eAutoDetect,
            EEventRule aEventRule = eRemoveDupes);
-  // Initialize with an nsIDOMNode
+  // Initialize with an nsINode
   AccEvent(uint32_t aEventType, nsINode* aNode,
            EIsFromUserInput aIsFromUserInput = eAutoDetect,
            EEventRule aEventRule = eRemoveDupes);

accessible/src/base/nsAccUtils.h

@@ -16,7 +16,6 @@
 #include "mozilla/dom/Element.h"
 #include "nsIDocShell.h"
 #include "nsIDocShellTreeItem.h"
-#include "nsIDOMNode.h"
 #include "nsIPersistentProperties2.h"
 #include "nsIPresShell.h"
 #include "nsPoint.h"

accessible/src/base/nsCoreUtils.cpp

@@ -481,26 +481,6 @@ nsCoreUtils::IsErrorPage(nsIDocument *aDocument)
   return StringBeginsWith(path, neterror) || StringBeginsWith(path, certerror);
 }
 
-already_AddRefed<nsIDOMNode>
-nsCoreUtils::GetDOMNodeForContainer(nsIDocShellTreeItem *aContainer)
-{
-  nsCOMPtr<nsIDocShell> shell = do_QueryInterface(aContainer);
-
-  nsCOMPtr<nsIContentViewer> cv;
-  shell->GetContentViewer(getter_AddRefs(cv));
-
-  if (!cv)
-    return nullptr;
-
-  nsIDocument* doc = cv->GetDocument();
-  if (!doc)
-    return nullptr;
-
-  nsIDOMNode* node = nullptr;
-  CallQueryInterface(doc, &node);
-  return node;
-}
-
 bool
 nsCoreUtils::GetID(nsIContent *aContent, nsAString& aID)
 {

accessible/src/base/nsCoreUtils.h

@@ -16,7 +16,6 @@
 #include "nsTArray.h"
 
 class nsRange;
-class nsIDOMNode;
 class nsIFrame;
 class nsIDocShellTreeItem;
 class nsITreeColumn;
@@ -209,12 +208,6 @@ public:
     return aNode->OwnerDoc()->GetShell();
   }
 
-  /**
-   * Return document node for the given document shell tree item.
-   */
-  static already_AddRefed<nsIDOMNode>
-    GetDOMNodeForContainer(nsIDocShellTreeItem *aContainer);
-
   /**
    * Get the ID for an element, in some types of XML this may not be the ID attribute
    * @param aContent  Node to get the ID for