Added a paramater for stating if children of a different type should be returned from FindChildWithName or not.

docshell/base/nsIDocShellTreeNode.idl

@@ -57,13 +57,14 @@ interface nsIDocShellTreeNode : nsISupports
 	aName - This is the name of the item that is trying to be found.
 	aRecurse - Is used to tell the function to recurse through children.
 		Note, recursion will only happen through items of the same type.
+	aSameType - If this is set only children of the same type will be returned.
 	aRequestor - This is the docshellTreeItem that is requesting the find.  This
 		parameter is used when recursion is being used to avoid searching the same
 		tree again when a child has asked a parent to search for children.
 
 	Note the search is depth first when recursing.
 	*/
-	nsIDocShellTreeItem findChildWithName(in wstring aName, in boolean aRecurse, 
-		in nsIDocShellTreeItem aRequestor);
+	nsIDocShellTreeItem findChildWithName(in wstring aName, in boolean aRecurse,
+		in boolean aSameType, in nsIDocShellTreeItem aRequestor);
 };