Merge pull request #4292 from angular/typing_for_bind

Add typing for bind() which is also needed for demo

angular2/angular2-tests.ts

@@ -2,9 +2,13 @@
 
 // Use Typescript 1.4 style imports
 import ng = require("angular2/angular2");
+import di = require("angular2/di");
 
 class Service {
 	
+}
+class Service2 {
+  
 }
 
 class Cmp {
@@ -13,7 +17,7 @@ class Cmp {
 Cmp.annotations = [
   ng.Component({
     selector: 'cmp',
-    injectables: [Service]
+    injectables: [Service, di.bind(Service2).toValue(null)]
   }),
   ng.View({
     template: '{{greeting}} world!',

angular2/angular2.d.ts

@@ -602,4 +602,21 @@ declare module "angular2/angular2" {
    *
    */
  function Switch(): void;
-}
+}
+
+declare module "angular2/di" {
+  /**
+   * Provides an API for imperatively constructing {@link Binding}s.
+   *
+   * This is only relevant for JavaScript. See {@link BindingBuilder}.
+   *
+   * ## Example
+   *
+   * ```javascript
+   * bind(MyInterface).toClass(MyClass)
+   *
+   * ```
+   *
+   */
+   function bind(token: any): any;
+}