From c11ddf3017b5e0a3e3772348e6a18b9e9443a70d Mon Sep 17 00:00:00 2001
From: Andrew McCreight <continuation@gmail.com>
Date: Fri, 26 May 2017 13:46:10 -0700
Subject: [PATCH] Bug 1368170 - Remove unused Function.prototype.inherits
 methods. r=francois

These methods do not appear to be used.

When JSM global sharing is enabled, these methods contaminate the
global Function.prototype, which breaks Marionette object
serialization.

MozReview-Commit-ID: CAfJ2FCkhlK

--HG--
extra : rebase_source : 38acb4616ee14283d0f67e1b2144972c7d139f84
---
 .../url-classifier/content/moz/lang.js        | 32 -------------------
 .../nsUrlClassifierListManager.js             |  6 ----
 2 files changed, 38 deletions(-)

diff --git a/toolkit/components/url-classifier/content/moz/lang.js b/toolkit/components/url-classifier/content/moz/lang.js
index 804a6e973e83..a41252950e9d 100644
--- a/toolkit/components/url-classifier/content/moz/lang.js
+++ b/toolkit/components/url-classifier/content/moz/lang.js
@@ -48,35 +48,3 @@ this.BindToObject = function BindToObject(fn, self, opt_args) {
 
   return newfn;
 }
-
-/**
- * Inherit the prototype methods from one constructor into another.
- *
- * Usage:
- *
- * function ParentClass(a, b) { }
- * ParentClass.prototype.foo = function(a) { }
- *
- * function ChildClass(a, b, c) {
- *   ParentClass.call(this, a, b);
- * }
- *
- * ChildClass.inherits(ParentClass);
- *
- * var child = new ChildClass("a", "b", "see");
- * child.foo(); // works
- *
- * In addition, a superclass' implementation of a method can be invoked
- * as follows:
- *
- * ChildClass.prototype.foo = function(a) {
- *   ChildClass.superClass_.foo.call(this, a);
- *   // other code
- * };
- */
-Function.prototype.inherits = function(parentCtor) {
-  var tempCtor = function(){};
-  tempCtor.prototype = parentCtor.prototype;
-  this.superClass_ = parentCtor.prototype;
-  this.prototype = new tempCtor();
-}
diff --git a/toolkit/components/url-classifier/nsUrlClassifierListManager.js b/toolkit/components/url-classifier/nsUrlClassifierListManager.js
index 7b3c181af7d1..db34afd17b3b 100644
--- a/toolkit/components/url-classifier/nsUrlClassifierListManager.js
+++ b/toolkit/components/url-classifier/nsUrlClassifierListManager.js
@@ -14,12 +14,6 @@ function Init() {
   // Pull the library in.
   var jslib = Cc["@mozilla.org/url-classifier/jslib;1"]
               .getService().wrappedJSObject;
-  Function.prototype.inherits = function(parentCtor) {
-    var tempCtor = function(){};
-    tempCtor.prototype = parentCtor.prototype;
-    this.superClass_ = parentCtor.prototype;
-    this.prototype = new tempCtor();
-  },
   modScope.G_Preferences = jslib.G_Preferences;
   modScope.G_PreferenceObserver = jslib.G_PreferenceObserver;
   modScope.G_ObserverServiceObserver = jslib.G_ObserverServiceObserver;