docs(webworkers): add experimental markers for all web worker public apis

modules/@angular/platform-browser/src/web_workers/shared/client_message_broker.ts

@@ -7,6 +7,9 @@ import {DateWrapper, StringWrapper, isPresent, print, stringify} from '../../fac
 import {MessageBus} from './message_bus';
 import {Serializer} from './serializer';
 
+/**
+ * @experimental
+ */
 export abstract class ClientMessageBrokerFactory {
   /**
    * Initializes the given channel and attaches a new {@link ClientMessageBroker} to it.
@@ -32,6 +35,9 @@ export class ClientMessageBrokerFactory_ extends ClientMessageBrokerFactory {
   }
 }
 
+/**
+ * @experimental
+ */
 export abstract class ClientMessageBroker {
   abstract runOnService(args: UiArguments, returnType: Type): Promise<any>;
 }
@@ -148,10 +154,16 @@ class MessageData {
   }
 }
 
+/**
+ * @experimental
+ */
 export class FnArg {
   constructor(public value: any /** TODO #9100 */, public type: Type) {}
 }
 
+/**
+ * @experimental
+ */
 export class UiArguments {
   constructor(public method: string, public args?: FnArg[]) {}
 }

modules/@angular/platform-browser/src/web_workers/shared/message_bus.ts

@@ -8,6 +8,7 @@ import {EventEmitter} from '../../facade/async';
  * Communication is based on a channel abstraction. Messages published in a
  * given channel to one MessageBusSink are received on the same channel
  * by the corresponding MessageBusSource.
+ * @experimental
  */
 export abstract class MessageBus implements MessageBusSource, MessageBusSink {
   /**
@@ -41,6 +42,9 @@ export abstract class MessageBus implements MessageBusSource, MessageBusSink {
   abstract to(channel: string): EventEmitter<any>;
 }
 
+/**
+ * @experimental
+ */
 export interface MessageBusSource {
   /**
    * Sets up a new channel on the MessageBusSource.
@@ -64,6 +68,9 @@ export interface MessageBusSource {
   from(channel: string): EventEmitter<any>;
 }
 
+/**
+ * @experimental
+ */
 export interface MessageBusSink {
   /**
    * Sets up a new channel on the MessageBusSink.

modules/@angular/platform-browser/src/web_workers/shared/serializer.ts

@@ -11,6 +11,9 @@ import {LocationType} from './serialized_types';
 
 // PRIMITIVE is any type that does not need to be serialized (string, number, boolean)
 // We set it to String so that it is considered a Type.
+/**
+ * @experimental
+ */
 export const PRIMITIVE: Type = String;
 
 @Injectable()

modules/@angular/platform-browser/src/web_workers/shared/service_message_broker.ts

@@ -29,6 +29,9 @@ export class ServiceMessageBrokerFactory_ extends ServiceMessageBrokerFactory {
   }
 }
 
+/**
+ * @experimental
+ */
 export abstract class ServiceMessageBroker {
   abstract registerMethod(
       methodName: string, signature: Type[], method: Function, returnType?: Type): void;
@@ -88,6 +91,9 @@ export class ServiceMessageBroker_ extends ServiceMessageBroker {
   }
 }
 
+/**
+ * @experimental
+ */
 export class ReceivedMessage {
   method: string;
   args: any[];

modules/@angular/platform-browser/src/web_workers/ui/location_providers.ts

@@ -8,6 +8,7 @@ import {MessageBasedPlatformLocation} from './platform_location';
 /**
  * A list of {@link Provider}s. To use the router in a Worker enabled application you must
  * include these providers when setting up the render thread.
+ * @experimental
  */
 export const WORKER_UI_LOCATION_PROVIDERS = [
   MessageBasedPlatformLocation, BrowserPlatformLocation,

modules/@angular/platform-browser/src/web_workers/worker/location_providers.ts

@@ -7,6 +7,7 @@ import {WebWorkerPlatformLocation} from './platform_location';
 /**
  * Those providers should be added when the router is used in a worker context in addition to the
  * {@link ROUTER_PROVIDERS} and after them.
+ * @experimental
  */
 export const WORKER_APP_LOCATION_PROVIDERS = [
   {provide: PlatformLocation, useClass: WebWorkerPlatformLocation}, {