[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..f583269de1928cb461f416b9a1b440e7097d6a93 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(str_url, id) {
+          var mojo_url = new url.Url();

[mark a. foltz, 2017/02/21 17:47:38]

s/var/const/ here and below.

Also, Javascript variables should be named lowerCamelCase, so:

mojoUrl
controllerConnectionPtr

etc.

https://google.github.io/styleguide/javascriptguide.xml#Naming

[zhaobin, 2017/02/21 19:11:38]

Done.

+          mojo_url.url = str_url;
+          var controller_connection_ptr = new presentationService.PresentationConnectionPtr();
+          var connectionBinding = new bindings.Binding(
+              presentationService.PresentationConnection,
+              new MockPresentationConnection(),
+              bindings.makeRequest(controller_connection_ptr));
+          var receiver_connection_ptr = new presentationService.PresentationConnectionPtr();
+
+          this.client_.onReceiverConnectionAvailable(
+              { url: mojo_url, id: id },
+              controller_connection_ptr,
+              bindings.makeRequest(receiver_connection_ptr));
+        }
       }
 
       return new PresentationServiceMock(mojo.frameInterfaces);