From 197387d05e334199f643966401fd30428b6bd5bb Mon Sep 17 00:00:00 2001
From: Vikram Subramanian <viks@google.com>
Date: Tue, 10 Jul 2018 08:26:48 -0700
Subject: [PATCH] fix(platform-browser): mark Meta and Title services as tree
 shakable providers (#24815)

This lets services that use Meta and Title services to be tree shakable and provided in root.

PR Close #24815
---
 packages/platform-browser/src/browser.ts       | 2 --
 packages/platform-browser/src/browser/meta.ts  | 2 +-
 packages/platform-browser/src/browser/title.ts | 2 +-
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/packages/platform-browser/src/browser.ts b/packages/platform-browser/src/browser.ts
index 8a73d64fa9..8123f422ee 100644
--- a/packages/platform-browser/src/browser.ts
+++ b/packages/platform-browser/src/browser.ts
@@ -89,8 +89,6 @@ export const BROWSER_MODULE_PROVIDERS: StaticProvider[] = [
   {provide: Testability, useClass: Testability, deps: [NgZone]},
   {provide: EventManager, useClass: EventManager, deps: [EVENT_MANAGER_PLUGINS, NgZone]},
   ELEMENT_PROBE_PROVIDERS,
-  {provide: Meta, useClass: Meta, deps: [DOCUMENT]},
-  {provide: Title, useClass: Title, deps: [DOCUMENT]},
 ];
 
 /**
diff --git a/packages/platform-browser/src/browser/meta.ts b/packages/platform-browser/src/browser/meta.ts
index 17edf2925d..bf29316e60 100644
--- a/packages/platform-browser/src/browser/meta.ts
+++ b/packages/platform-browser/src/browser/meta.ts
@@ -34,7 +34,7 @@ export type MetaDefinition = {
  *
  * @experimental
  */
-@Injectable()
+@Injectable({providedIn: 'root'})
 export class Meta {
   private _dom: DomAdapter;
   constructor(@Inject(DOCUMENT) private _doc: any) { this._dom = getDOM(); }
diff --git a/packages/platform-browser/src/browser/title.ts b/packages/platform-browser/src/browser/title.ts
index 2ca7ba5302..04d3728555 100644
--- a/packages/platform-browser/src/browser/title.ts
+++ b/packages/platform-browser/src/browser/title.ts
@@ -22,7 +22,7 @@ import {DOCUMENT} from '../dom/dom_tokens';
  *
  * @experimental
  */
-@Injectable()
+@Injectable({providedIn: 'root'})
 export class Title {
   constructor(@Inject(DOCUMENT) private _doc: any) {}
   /**