refactor(ProtoElementInjector): change `instantiate` to take positional args

modules/benchmarks/src/element_injector/instantiate_benchmark.js

@@ -10,7 +10,7 @@ export function run () {
   var bindings = [A, B, C];
   var proto = new ProtoElementInjector(null, 0, bindings);
   for (var i = 0; i < ITERATIONS; ++i) {
-    var ei = proto.instantiate({view:null, parentElementInjector: null});
+    var ei = proto.instantiate(null,null);
     ei.instantiateDirectives(appInjector);
   }
 }

modules/benchmarks/src/element_injector/instantiate_benchmark_codegen.js

@@ -18,7 +18,7 @@ export function run () {
 
   var proto = new ProtoElementInjector(null, 0, bindings);
   for (var i = 0; i < ITERATIONS; ++i) {
-    var ei = proto.instantiate({view:null, parentElementInjector: null});
+    var ei = proto.instantiate(null,null);
     ei.instantiateDirectives(appInjector);
   }
 }

modules/benchmarks/src/element_injector/instantiate_directive_benchmark.js

@@ -9,7 +9,7 @@ export function run () {
 
   var bindings = [A, B, C];
   var proto = new ProtoElementInjector(null, 0, bindings);
-  var ei = proto.instantiate({view:null, parentElementInjector: null});
+  var ei = proto.instantiate(null,null);
 
   for (var i = 0; i < ITERATIONS; ++i) {
     ei.clearDirectives();

modules/core/src/compiler/element_injector.js

@@ -3,6 +3,7 @@ import {Math} from 'facade/math';
 import {List, ListWrapper} from 'facade/collection';
 import {Injector, Key, Dependency, bind, Binding, NoProviderError, ProviderError, CyclicDependencyError} from 'di/di';
 import {Parent, Ancestor} from 'core/annotations/visibility';
+import {View} from './view';
 import {StaticKeys} from './static_keys';
 
 var _MAX_DIRECTIVE_CONSTRUCTION_COUNTER = 10;
@@ -148,12 +149,8 @@ export class ProtoElementInjector  {
     }
   }
 
-  instantiate({view, parentElementInjector}):ElementInjector {
+  instantiate(parent:ElementInjector, view):ElementInjector {
-    return new ElementInjector({
+    return new ElementInjector(this, parent, view);
-      proto: this,
-      parent: parentElementInjector,
-      view: view
-    });
   }
 
   _createBinding(bindingOrType) {
@@ -226,7 +223,7 @@ export class ElementInjector extends TreeNode {
   @FIELD('_obj8:Object')
   @FIELD('_obj9:Object')
   @FIELD('_view:View')
-  constructor({proto, parent, view}) {
+  constructor(proto:ProtoElementInjector, parent:ElementInjector, view) {
     super(parent);
     this._proto = proto;
     this._view = view;

modules/core/src/compiler/view.js

@@ -115,7 +115,7 @@ export class ProtoView {
 
   static _createElementInjector(element, parent:ElementInjector, proto:ProtoElementInjector) {
     //TODO: vsavkin: pass element to `proto.instantiate()` once https://github.com/angular/angular/pull/98 is merged
-    return proto.hasBindings ? proto.instantiate({view:null, parentElementInjector:parent}) : null;
+    return proto.hasBindings ? proto.instantiate(parent, null) : null;
   }
 
   static _rootElementInjectors(injectors) {

modules/core/test/compiler/element_injector_spec.js

@@ -68,10 +68,10 @@ export function main() {
 
   function injector(bindings, appInjector = null, props = null) {
     if (isBlank(appInjector)) appInjector = new Injector([]);
-    if (isBlank(props)) props = {};
+    if (isBlank(props)) props = {"view" : null};
 
     var proto = new ProtoElementInjector(null, 0, bindings);
-    var inj = proto.instantiate({view: props["view"], parentElementInjector:null});
+    var inj = proto.instantiate(null, props["view"]);
     inj.instantiateDirectives(appInjector);
     return inj;
   }
@@ -80,11 +80,11 @@ export function main() {
     var inj = new Injector([]);
 
     var protoParent = new ProtoElementInjector(null, 0, parentBindings);
-    var parent = protoParent.instantiate({view: null, parentElementInjector: null});
+    var parent = protoParent.instantiate(null, null);
     parent.instantiateDirectives(inj);
 
     var protoChild = new ProtoElementInjector(protoParent, 1, childBindings);
-    var child = protoChild.instantiate({view: null, parentElementInjector: parent});
+    var child = protoChild.instantiate(parent, null);
     child.instantiateDirectives(inj);
 
     return child;
@@ -97,9 +97,9 @@ export function main() {
         var protoChild1 = new ProtoElementInjector(protoParent, 1, []);
         var protoChild2 = new ProtoElementInjector(protoParent, 2, []);
 
-        var p = protoParent.instantiate({view: null, parentElementInjector: null});
+        var p = protoParent.instantiate(null, null);
-        var c1 = protoChild1.instantiate({view: null, parentElementInjector: p});
+        var c1 = protoChild1.instantiate(p, null);
-        var c2 = protoChild2.instantiate({view: null, parentElementInjector: p});
+        var c2 = protoChild2.instantiate(p, null);
 
         expect(humanize(p, [
           [p, 'parent'],