feat(di): added hostInjector and viewInjector to the Directive annotation

modules/benchmarks/src/element_injector/element_injector_benchmark.html

@@ -13,7 +13,7 @@
 <h2>Actions</h2>
 <p>
 <button id="instantiate">instantiate</button>
-<button id="instantiateDirectives">instantiateDirectives</button>
+<button id="hydrate">hydrate</button>
 </p>
 
 $SCRIPTS$

modules/benchmarks/src/element_injector/element_injector_benchmark.js

@@ -1,7 +1,7 @@
 import {reflector} from 'angular2/src/reflection/reflection';
 import {ReflectionCapabilities} from 'angular2/src/reflection/reflection_capabilities';
 import {Injectable, Injector} from 'angular2/di';
-import {ProtoElementInjector} from 'angular2/src/core/compiler/element_injector';
+import {ProtoElementInjector, DirectiveBinding} from 'angular2/src/core/compiler/element_injector';
 import {getIntParameter, bindAction, microBenchmark} from 'angular2/src/test_lib/benchmark_util';
 import {BrowserDomAdapter} from 'angular2/src/dom/browser_adapter';
 
@@ -14,21 +14,25 @@ export function main() {
   reflector.reflectionCapabilities = new ReflectionCapabilities();
   var appInjector = Injector.resolveAndCreate([]);
 
-  var bindings = [A, B, C];
-  var proto = new ProtoElementInjector(null, 0, bindings);
+  var bindings = [
+    DirectiveBinding.createFromType(A, null),
+    DirectiveBinding.createFromType(B, null),
+    DirectiveBinding.createFromType(C, null)
+  ];
+  var proto = ProtoElementInjector.create(null, 0, bindings, false, 0);
   var elementInjector = proto.instantiate(null);
 
   function instantiate () {
     for (var i = 0; i < iterations; ++i) {
       var ei = proto.instantiate(null);
-      ei.instantiateDirectives(appInjector, null, null);
+      ei.hydrate(appInjector, null, null);
     }
   }
 
-  function instantiateDirectives () {
+  function hydrate () {
     for (var i = 0; i < iterations; ++i) {
-      elementInjector.clearDirectives();
-      elementInjector.instantiateDirectives(appInjector, null, null);
+      elementInjector.dehydrate();
+      elementInjector.hydrate(appInjector, null, null);
     }
   }
 
@@ -37,8 +41,8 @@ export function main() {
     () => microBenchmark('instantiateAvg', iterations, instantiate)
   );
   bindAction(
-    '#instantiateDirectives',
-    () => microBenchmark('instantiateAvg', iterations, instantiateDirectives)
+    '#hydrate',
+    () => microBenchmark('instantiateAvg', iterations, hydrate)
   );
 }