[Presentation API] return valid WebPresentationConnection object in PresentationReceiver

third_party/WebKit/LayoutTests/presentation/resources/presentation-service-mock.js

Index: third_party/WebKit/LayoutTests/presentation/resources/presentation-service-mock.js
diff --git a/third_party/WebKit/LayoutTests/presentation/resources/presentation-service-mock.js b/third_party/WebKit/LayoutTests/presentation/resources/presentation-service-mock.js
index 3db3d1ea3ca4bddcb83bb9f1701627cd94f5f5a6..15007fe7f8f7b0243d2dc677a155025db995b5e7 100644
--- a/third_party/WebKit/LayoutTests/presentation/resources/presentation-service-mock.js
+++ b/third_party/WebKit/LayoutTests/presentation/resources/presentation-service-mock.js
@@ -8,9 +8,13 @@ let presentationServiceMock = loadMojoModules(
     'presentationServiceMock',
     [
       'third_party/WebKit/public/platform/modules/presentation/presentation.mojom',
+      'url/mojo/url.mojom',
       'mojo/public/js/bindings',
     ]).then(mojo => {
-      let [ presentationService, bindings ] = mojo.modules;
+      let [ presentationService, url, bindings ] = mojo.modules;
+
+      class MockPresentationConnection {
+      };
 
       class PresentationServiceMock {
         constructor(interfaceProvider) {
@@ -23,6 +27,10 @@ let presentationServiceMock = loadMojoModules(
               presentationService.PresentationService);
         }
 
+        setClient(client) {
+          this.client_ = client;
+        }
+
         startSession(urls) {
           return Promise.resolve({
               sessionInfo: { url: urls[0], id: 'fakesession' },
@@ -36,6 +44,22 @@ let presentationServiceMock = loadMojoModules(
               error: null,
           });
         }
+
+        onReceiverConnectionAvailable(strUrl, id) {
+          const mojoUrl = new url.Url();
+          mojoUrl.url = strUrl;
+          const controllerConnectionPtr = new presentationService.PresentationConnectionPtr();
+          const connectionBinding = new bindings.Binding(
+              presentationService.PresentationConnection,
+              new MockPresentationConnection(),
+              bindings.makeRequest(controllerConnectionPtr));
+          const receiverConnectionPtr = new presentationService.PresentationConnectionPtr();
+
+          this.client_.onReceiverConnectionAvailable(
+              { url: mojoUrl, id: id },
+              controllerConnectionPtr,
+              bindings.makeRequest(receiverConnectionPtr));
+        }
       }
 
       return new PresentationServiceMock(mojo.frameInterfaces);
@@ -47,9 +71,9 @@ function waitForClick(callback, button) {
   if (!('eventSender' in window))
     return;
 
-  var boundingRect = button.getBoundingClientRect();
-  var x = boundingRect.left + boundingRect.width / 2;
-  var y = boundingRect.top + boundingRect.height / 2;
+  const boundingRect = button.getBoundingClientRect();
+  const x = boundingRect.left + boundingRect.width / 2;
+  const y = boundingRect.top + boundingRect.height / 2;
 
   eventSender.mouseMoveTo(x, y);
   eventSender.mouseDown();