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

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

modules/@angular/common/src/location/hash_location_strategy.ts

@@ -42,7 +42,7 @@ import {UrlChangeListener, PlatformLocation} from './platform_location';
  *
  * bootstrap(AppCmp, [
  *   ROUTER_PROVIDERS,
- *   provide(LocationStrategy, {useClass: HashLocationStrategy})
+ *   {provide: LocationStrategy, useClass: HashLocationStrategy}
  * ]);
  * ```
  *

modules/@angular/common/src/location/location_strategy.ts

@@ -56,7 +56,7 @@ export abstract class LocationStrategy {
  *
  * bootstrap(AppCmp, [
  *   ROUTER_PROVIDERS,
- *   provide(APP_BASE_HREF, {useValue: '/my/app'})
+ *   {provide: APP_BASE_HREF, useValue: '/my/app'}
  * ]);
  * ```
  * @stable

modules/@angular/common/src/location/path_location_strategy.ts

@@ -26,7 +26,7 @@ import {Location} from './location';
  * ### Example
  *
  * ```
- * import {Component, provide} from '@angular/core';
+ * import {Component} from '@angular/core';
  * import {bootstrap} from '@angular/platform-browser/browser';
  * import {
  *   Location,
@@ -50,7 +50,7 @@ import {Location} from './location';
  *
  * bootstrap(AppCmp, [
  *   ROUTER_PROVIDERS, // includes binding to PathLocationStrategy
- *   provide(APP_BASE_HREF, {useValue: '/my/app'})
+ *   {provide: APP_BASE_HREF, useValue: '/my/app'}
  * ]);
  * ```
  *