Bug 875328: Remove stranded (and unnecessary) method-override Attr::AppendChildTo(). r=bz

content/base/src/Attr.cpp

@@ -373,12 +373,6 @@ Attr::InsertChildAt(nsIContent* aKid, uint32_t aIndex,
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
-nsresult
-Attr::AppendChildTo(nsIContent* aKid, bool aNotify)
-{
-  return NS_ERROR_NOT_IMPLEMENTED;
-}
-
 void
 Attr::RemoveChildAt(uint32_t aIndex, bool aNotify)
 {

content/base/src/Attr.h

@@ -64,7 +64,6 @@ public:
   virtual int32_t IndexOf(const nsINode* aPossibleChild) const MOZ_OVERRIDE;
   virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
                                  bool aNotify);
-  virtual nsresult AppendChildTo(nsIContent* aKid, bool aNotify);
   virtual void RemoveChildAt(uint32_t aIndex, bool aNotify);
   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
   virtual already_AddRefed<nsIURI> GetBaseURI() const;