Migrate error messages, part 11.

src/weak-collection.js

 // Copyright 2012 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.
 
 (function(global, shared, exports) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 34 matching lines @@
   if (!IS_SPEC_OBJECT(key)) return UNDEFINED;
   return %WeakCollectionGet(this, key);
 }
 
 
 function WeakMapSet(key, value) {
   if (!IS_WEAKMAP(this)) {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         'WeakMap.prototype.set', this);
   }
-  if (!IS_SPEC_OBJECT(key)) {
-    throw %MakeTypeError('invalid_weakmap_key', [this, key]);
-  }
+  if (!IS_SPEC_OBJECT(key)) throw MakeTypeError(kInvalidWeakMapKey);
   return %WeakCollectionSet(this, key, value);
 }
 
 
 function WeakMapHas(key) {
   if (!IS_WEAKMAP(this)) {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         'WeakMap.prototype.has', this);
   }
   if (!IS_SPEC_OBJECT(key)) return false;
@@ skipping 49 matching lines @@
     }
   }
 }
 
 
 function WeakSetAdd(value) {
   if (!IS_WEAKSET(this)) {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         'WeakSet.prototype.add', this);
   }
-  if (!IS_SPEC_OBJECT(value)) {
-    throw %MakeTypeError('invalid_weakset_value', [this, value]);
-  }
+  if (!IS_SPEC_OBJECT(value)) throw MakeTypeError(kInvalidWeakSetValue);
   return %WeakCollectionSet(this, value, true);
 }
 
 
 function WeakSetHas(value) {
   if (!IS_WEAKSET(this)) {
     throw MakeTypeError(kIncompatibleMethodReceiver,
                         'WeakSet.prototype.has', this);
   }
   if (!IS_SPEC_OBJECT(value)) return false;
@@ skipping 22 matching lines @@
                   DONT_ENUM | READ_ONLY);
 
 // Set up the non-enumerable functions on the WeakSet prototype object.
 $installFunctions(GlobalWeakSet.prototype, DONT_ENUM, [
   "add", WeakSetAdd,
   "has", WeakSetHas,
   "delete", WeakSetDelete
 ]);
 
 })