feat(di): rename Binding into Provider

Closes #4416

Closes #4654

modules/angular2/test/web_workers/shared/service_message_broker_spec.ts

@@ -17,7 +17,7 @@ import {
   ServiceMessageBroker_
 } from 'angular2/src/web_workers/shared/service_message_broker';
 import {ObservableWrapper, PromiseWrapper} from 'angular2/src/core/facade/async';
-import {bind} from 'angular2/core';
+import {provide} from 'angular2/core';
 import {ON_WEB_WORKER} from 'angular2/src/web_workers/shared/api';
 import {RenderProtoViewRefStore} from 'angular2/src/web_workers/shared/render_proto_view_ref_store';
 import {
@@ -33,8 +33,7 @@ export function main() {
   const ID = "methodId";
 
   beforeEachBindings(() => [
-    bind(ON_WEB_WORKER)
-        .toValue(true),
+    provide(ON_WEB_WORKER, {asValue: true}),
     RenderProtoViewRefStore,
     RenderViewWithFragmentsStore
   ]);