refactor: change provide(...) for {provide: ...}

- provide() is deprecated,
- {} syntax is required by the offline compiler

modules/@angular/http/src/backends/xhr_backend.ts

@@ -171,9 +171,9 @@ export class CookieXSRFStrategy implements XSRFStrategy {
  * @Component({
  *   viewProviders: [
  *     HTTP_PROVIDERS,
- *     provide(Http, {useFactory: (backend, options) => {
+ *     {provide: Http, useFactory: (backend, options) => {
  *       return new Http(backend, options);
- *     }, deps: [MyNodeBackend, BaseRequestOptions]})]
+ *     }, deps: [MyNodeBackend, BaseRequestOptions]}]
  * })
  * class MyComponent {
  *   constructor(http:Http) {

modules/@angular/http/src/base_request_options.ts

@@ -133,7 +133,7 @@ export class RequestOptions {
  *   search: string = 'coreTeam=true';
  * }
  *
- * bootstrap(App, [HTTP_PROVIDERS, provide(RequestOptions, {useClass: MyOptions})]);
+ * bootstrap(App, [HTTP_PROVIDERS, {provide: RequestOptions, useClass: MyOptions}]);
  * ```
  *
  * The options could also be extended when manually creating a {@link Request}

modules/@angular/http/src/base_response_options.ts

@@ -125,7 +125,7 @@ export class ResponseOptions {
  *   headers:Headers = new Headers({network: 'github'});
  * }
  *
- * bootstrap(App, [HTTP_PROVIDERS, provide(ResponseOptions, {useClass: MyOptions})]);
+ * bootstrap(App, [HTTP_PROVIDERS, {provide: ResponseOptions, useClass: MyOptions}]);
  * ```
  *
  * The options could also be extended when manually creating a {@link Response}

modules/@angular/http/src/http.ts

@@ -82,11 +82,11 @@ function mergeOptions(defaultOpts: BaseRequestOptions, providedOpts: RequestOpti
  * var injector = Injector.resolveAndCreate([
  *   BaseRequestOptions,
  *   MockBackend,
- *   provide(Http, {useFactory:
+ *   {provide: Http, useFactory:
  *       function(backend, defaultOptions) {
  *         return new Http(backend, defaultOptions);
  *       },
- *       deps: [MockBackend, BaseRequestOptions]})
+ *       deps: [MockBackend, BaseRequestOptions]}
  * ]);
  * var http = injector.get(Http);
  * http.get('request-from-mock-backend.json').subscribe((res:Response) => doSomething(res));