Keep all Promise implementation details internal

src/core/Spy.js

@@ -13,7 +13,7 @@ getJasmineRequireObj().Spy = function (j$) {
    * @constructor
    * @name Spy
    */
-  function Spy(name, originalFn, customStrategies) {
+  function Spy(name, originalFn, customStrategies, getPromise) {
     var numArgs = (typeof originalFn === 'function' ? originalFn.length : 0),
       wrapper = makeFunc(numArgs, function () {
         return spy.apply(this, Array.prototype.slice.call(arguments));
@@ -24,7 +24,8 @@ getJasmineRequireObj().Spy = function (j$) {
         getSpy: function () {
           return wrapper;
         },
-        customStrategies: customStrategies
+        customStrategies: customStrategies,
+        getPromise: getPromise
       }),
       callTracker = new j$.CallTracker(),
       spy = function () {
@@ -98,7 +99,6 @@ getJasmineRequireObj().Spy = function (j$) {
     return wrapper;
   }
 
-
   function SpyStrategyDispatcher(strategyArgs) {
     var baseStrategy = new j$.SpyStrategy(strategyArgs);
     var argsStrategies = new StrategyDict(function() {