Bug 1330225. Remove unused function nsViewManager::InsertChild. r=mats

view/nsViewManager.cpp

@@ -936,15 +936,6 @@ nsViewManager::InsertChild(nsView *aParent, nsView *aChild, nsView *aSibling,
     }
 }
 
-void
-nsViewManager::InsertChild(nsView *aParent, nsView *aChild, int32_t aZIndex)
-{
-  // no-one really calls this with anything other than aZIndex == 0 on a fresh view
-  // XXX this method should simply be eliminated and its callers redirected to the real method
-  SetViewZIndex(aChild, false, aZIndex);
-  InsertChild(aParent, aChild, nullptr, true);
-}
-
 void
 nsViewManager::RemoveChild(nsView *aChild)
 {

view/nsViewManager.h

@@ -148,8 +148,6 @@ public:
   void InsertChild(nsView *aParent, nsView *aChild, nsView *aSibling,
                    bool aAfter);
 
-  void InsertChild(nsView *aParent, nsView *aChild, int32_t aZIndex);
-
   /**
    * Remove a specific child view from its parent. This will NOT remove its placeholder
    * if there is one.