perf($parse): use no-proto maps as caches and avoid hasOwnProperty checks

test/.jshintrc

@@ -83,6 +83,7 @@
     "assertNotHasOwnProperty": false,
     "getter": false,
     "getBlockElements": false,
+    "createMap": false,
     "VALIDITY_STATE_PROPERTY": true,
 
     /* AngularPublic.js */

test/ng/parseSpec.js

@@ -5,7 +5,7 @@ describe('parser', function() {
   beforeEach(function() {
     /* global getterFnCache: true */
     // clear cache
-    getterFnCache = {};
+    getterFnCache = createMap();
   });