Move services code brought in from Mojo to live under //third_party.

mojo/services/public/js/service_provider.js

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-define("mojo/services/public/js/service_provider", [
-  "mojo/public/js/bindings",
-  "mojo/public/interfaces/application/service_provider.mojom",
-  "mojo/public/js/connection",
-], function(bindings, spMojom, connection) {
-
-  const ProxyBindings = bindings.ProxyBindings;
-  const StubBindings = bindings.StubBindings;
-  const ServiceProviderInterface = spMojom.ServiceProvider;
-
-  function checkServiceProvider(sp) {
-    if (!sp.providers_)
-      throw new Error("Service was closed");
-  }
-
-  class ServiceProvider {
-    constructor(servicesRequest, exposedServicesProxy) {
-      this.proxy = exposedServicesProxy;
-      this.providers_ = new Map(); // serviceName => see provideService() below
-      this.pendingRequests_ = new Map(); // serviceName => serviceHandle
-      if (servicesRequest)
-        StubBindings(servicesRequest).delegate = this;
-    }
-
-    // Incoming requests
-    connectToService(serviceName, serviceHandle) {
-      if (!this.providers_) // We're closed.
-        return;
-
-      var provider = this.providers_.get(serviceName);
-      if (!provider) {
-        this.pendingRequests_.set(serviceName, serviceHandle);
-        return;
-      }
-
-      var stub = connection.bindHandleToStub(serviceHandle, provider.service);
-      StubBindings(stub).delegate = new provider.factory();
-      provider.connections.push(StubBindings(stub).connection);
-    }
-
-    provideService(service, factory) {
-      checkServiceProvider(this);
-
-      var provider = {
-        service: service, // A JS bindings interface object.
-        factory: factory, // factory(clientProxy) => interface implemntation
-        connections: [],
-      };
-      this.providers_.set(service.name, provider);
-
-      if (this.pendingRequests_.has(service.name)) {
-        this.connectToService(service.name, pendingRequests_.get(service.name));
-        pendingRequests_.delete(service.name);
-      }
-      return this;
-    }
-
-    // Outgoing requests
-    requestService(interfaceObject, clientImpl) {
-      checkServiceProvider(this);
-      if (!interfaceObject.name)
-        throw new Error("Invalid service parameter");
-      if (!clientImpl && interfaceObject.client)
-        throw new Error("Client implementation must be provided");
-
-      var serviceProxy;
-      var serviceHandle = connection.bindProxy(
-          function(sp) {serviceProxy = sp;}, interfaceObject);
-      this.proxy.connectToService(interfaceObject.name, serviceHandle);
-      return serviceProxy;
-    };
-
-    close() {
-      this.providers_ = null;
-      this.pendingRequests_ = null;
-    }
-  }
-
-  var exports = {};
-  exports.ServiceProvider = ServiceProvider;
-  return exports;
-});