Remove Promise.cast

src/promise.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 243 matching lines @@
     }
   }
   return x;
 }
 
 
 // Combinators.
 
 function PromiseCast(x) {
   // TODO(rossberg): cannot do better until we support @@create.
-  return IsPromise(x) ? x : this.resolve(x);
+  return IsPromise(x) ? x : new this(function(resolve) { resolve(x) });
 }
 
 function PromiseAll(values) {
   var deferred = %_CallFunction(this, PromiseDeferred);
   var resolutions = [];
   if (!%_IsArray(values)) {
     deferred.reject(MakeTypeError('invalid_argument'));
     return deferred.promise;
   }
   try {
     var count = values.length;
     if (count === 0) {
       deferred.resolve(resolutions);
     } else {
       for (var i = 0; i < values.length; ++i) {
-        this.cast(values[i]).then(
+        this.resolve(values[i]).then(
           function(i, x) {
             resolutions[i] = x;
             if (--count === 0) deferred.resolve(resolutions);
           }.bind(UNDEFINED, i),  // TODO(rossberg): use let loop once available
           function(r) { deferred.reject(r) }
         );
       }
     }
   } catch (e) {
     deferred.reject(e)
   }
   return deferred.promise;
 }
 
 function PromiseOne(values) {
   var deferred = %_CallFunction(this, PromiseDeferred);
   if (!%_IsArray(values)) {
     deferred.reject(MakeTypeError('invalid_argument'));
     return deferred.promise;
   }
   try {
     for (var i = 0; i < values.length; ++i) {
-      this.cast(values[i]).then(
+      this.resolve(values[i]).then(
         function(x) { deferred.resolve(x) },
         function(r) { deferred.reject(r) }
       );
     }
   } catch (e) {
     deferred.reject(e)
   }
   return deferred.promise;
 }
 
 //-------------------------------------------------------------------
 
 function SetUpPromise() {
   %CheckIsBootstrapping()
   var global_receiver = %GlobalReceiver(global);
   global_receiver.Promise = $Promise;
   InstallFunctions($Promise, DONT_ENUM, [
     "defer", PromiseDeferred,
-    "resolve", PromiseResolved,
+    "accept", PromiseResolved,
     "reject", PromiseRejected,
     "all", PromiseAll,
     "race", PromiseOne,
-    "cast", PromiseCast
+    "resolve", PromiseCast
   ]);
   InstallFunctions($Promise.prototype, DONT_ENUM, [
     "chain", PromiseChain,
     "then", PromiseThen,
     "catch", PromiseCatch
   ]);
 }
 
 SetUpPromise();