Bug 983285 - Add a generic destructor for property values allocated with new. r=kats, r=bz

layout/forms/nsImageControlFrame.cpp

@@ -13,15 +13,6 @@
 
 using namespace mozilla;
 
-void
-IntPointDtorFunc(void *aObject, nsIAtom *aPropertyName,
-                 void *aPropertyValue, void *aData)
-{
-  nsIntPoint *propertyValue = static_cast<nsIntPoint*>(aPropertyValue);
-  delete propertyValue;
-}
-
-
 typedef nsImageFrame nsImageControlFrameSuper;
 class nsImageControlFrame : public nsImageControlFrameSuper,
                             public nsIFormControlFrame
@@ -107,7 +98,7 @@ nsImageControlFrame::Init(nsIContent*      aContent,
   
   mContent->SetProperty(nsGkAtoms::imageClickedPoint,
                         new nsIntPoint(0, 0),
-                        IntPointDtorFunc);
+                        nsINode::DeleteProperty<nsIntPoint>);
 }
 
 NS_QUERYFRAME_HEAD(nsImageControlFrame)