Remove Function.prototype.toMethod

test/mjsunit/harmony/toMethod.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Flags: --harmony-classes --allow-natives-syntax
 
 
 (function TestSingleClass() {
   function f(x) {
     var a = [0, 1, 2]
     return a[x];
   }
 
   function ClassD() { }
 
   assertEquals(1, f(1));
-  var g = f.toMethod(ClassD.prototype);
+  var g = %ToMethod(f, ClassD.prototype);
   assertEquals(1, g(1));
   assertEquals(undefined, f[%HomeObjectSymbol()]);
   assertEquals(ClassD.prototype, g[%HomeObjectSymbol()]);
 }());
 
 
 (function TestClassHierarchy() {
   function f(x) {
     return function g(y)  { x++; return x + y; };
   }
 
   function Base() {}
   function Derived() { }
   Derived.prototype = Object.create(Base.prototype);
 
   var q = f(0);
   assertEquals(2, q(1));
   assertEquals(3, q(1));
-  var g = q.toMethod(Derived.prototype);
+  var g = %ToMethod(q, Derived.prototype);
   assertFalse(g === q);
   assertEquals(4, g(1));
   assertEquals(5, q(1));
 }());
 
 
-(function TestErrorCases() {
-  var sFun = Function.prototype.toMethod;
-  assertThrows(function() { sFun.call({}); }, TypeError);
-  assertThrows(function() { sFun.call({}, {}); }, TypeError);
-  function f(){};
-  assertThrows(function() { f.toMethod(1); }, TypeError);
-}());
-
-
 (function TestPrototypeChain() {
   var o = {};
   var o1 = {};
   function f() { }
 
   function g() { }
 
-  var fMeth = f.toMethod(o);
+  var fMeth = %ToMethod(f, o);
   assertEquals(o, fMeth[%HomeObjectSymbol()]);
   g.__proto__ = fMeth;
   assertEquals(undefined, g[%HomeObjectSymbol()]);
-  var gMeth = g.toMethod(o1);
+  var gMeth = %ToMethod(g, o1);
   assertEquals(fMeth, gMeth.__proto__);
   assertEquals(o, fMeth[%HomeObjectSymbol()]);
   assertEquals(o1, gMeth[%HomeObjectSymbol()]);
 }());
 
 
 (function TestBoundFunction() {
   var o = {};
   var p = {};
 
 
   function f(x, y, z, w) {
     assertEquals(o, this);
     assertEquals(1, x);
     assertEquals(2, y);
     assertEquals(3, z);
     assertEquals(4, w);
     return x+y+z+w;
   }
 
   var fBound = f.bind(o, 1, 2, 3);
-  var fMeth = fBound.toMethod(p);
+  var fMeth = %ToMethod(fBound, p);
   assertEquals(10, fMeth(4));
   assertEquals(10, fMeth.call(p, 4));
   var fBound1 = fBound.bind(o, 4);
   assertEquals(10, fBound1());
   var fMethBound = fMeth.bind(o, 4);
   assertEquals(10, fMethBound());
 }());
 
 (function TestOptimized() {
   function f(o) {
     return o.x;
   }
   var o = {x : 15};
   assertEquals(15, f(o));
   assertEquals(15, f(o));
   %OptimizeFunctionOnNextCall(f);
   assertEquals(15, f(o));
-  var g = f.toMethod({});
+  var g = %ToMethod(f, {});
   var o1 = {y : 1024, x : "abc"};
   assertEquals("abc", f(o1));
   assertEquals("abc", g(o1));
 } ());
 
 (function TestExtensibility() {
   function f() {}
   Object.preventExtensions(f);
   assertFalse(Object.isExtensible(f));
-  var m = f.toMethod({});
+  var m = %ToMethod(f, {});
   assertTrue(Object.isExtensible(m));
 }());