[ServiceWorker] Add wpt tests to verify Client.type as 'worker'

third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/clients-get-client-types.https.html

Index: third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/clients-get-client-types.https.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/clients-get-client-types.https.html b/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/clients-get-client-types.https.html
index 5bb312844af978c86b6fd3581eafa0de7ece5e32..897e3689ed34f1f2abafffb6e4a6e47408bd1f03 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/clients-get-client-types.https.html
+++ b/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/clients-get-client-types.https.html
@@ -7,6 +7,7 @@
 var scope = 'resources/clients-get-client-types';
 var frame_url = scope + '-frame.html';
 var shared_worker_url = scope + '-shared-worker.js';
+var worker_url = scope + '-worker.js';
 var client_ids = [];
 var frame;
 promise_test(function(t) {
@@ -37,6 +38,28 @@ promise_test(function(t) {
       .then(function(client_id) {
           client_ids.push(client_id);
           var channel = new MessageChannel();
+          var w = new Worker(worker_url);
+          w.postMessage({cmd:'GetClientId', port:channel.port2},
+              [channel.port2]);
+          return new Promise(function(resolve) {
+              channel.port1.onmessage = function(e) {
+                resolve(e.data.clientId);
+              };
+            });
+        })
+      .then(function(client_id) {
+          client_ids.push(client_id);
+          var channel = new MessageChannel();
+          frame.contentWindow.postMessage('StartWorker', '*', [channel.port2]);
+          return new Promise(function(resolve) {
+              channel.port1.onmessage = function(e) {
+                resolve(e.data.clientId);
+              };
+            });
+        })
+      .then(function(client_id) {
+          client_ids.push(client_id);
+          var channel = new MessageChannel();
           var saw_message = new Promise(function(resolve) {
               channel.port1.onmessage = resolve;
             });
@@ -45,9 +68,23 @@ promise_test(function(t) {
           return saw_message;
         })
       .then(function(e) {
-          assert_equals(e.data.length, 2);
-          assert_array_equals(e.data[0], expected[0]);
-          assert_array_equals(e.data[1], expected[1]);
+          assert_equals(e.data.length, expected.length);
+          // We use these assert_not_equals because assert_array_equals doesn't
+          // print the error description when passed an undefined value.
+          assert_not_equals(e.data[0], undefined,
+              'Window client should not be undefined');
+          assert_array_equals(e.data[0], expected[0], 'Window client');
+          assert_not_equals(e.data[1], undefined,
+              'Shared worker client should not be undefined');
+          assert_array_equals(e.data[1], expected[1], 'Shared worker client');
+          assert_not_equals(e.data[2], undefined,
+              'Worker(Started by main frame) client should not be undefined');
+          assert_array_equals(e.data[2], expected[2],
+              'Worker(Started by main frame) client');
+          assert_not_equals(e.data[3], undefined,
+              'Worker(Started by sub frame) client should not be undefined');
+          assert_array_equals(e.data[3], expected[3],
+              'Worker(Started by sub frame) client');
         });
   }, 'Test Clients.get() with window and worker clients');
 
@@ -64,6 +101,8 @@ function wait_for_clientId() {
 var expected = [
     // visibilityState, focused, url, type, frameType
     ['visible', true, normalizeURL(scope) + '-frame.html', 'window', 'nested'],
-    [undefined, undefined, normalizeURL(scope) + '-shared-worker.js', 'sharedworker', 'none']
+    [undefined, undefined, normalizeURL(scope) + '-shared-worker.js', 'sharedworker', 'none'],
+    [undefined, undefined, normalizeURL(scope) + '-worker.js', 'worker', 'none'],
+    [undefined, undefined, normalizeURL(scope) + '-frame-worker.js', 'worker', 'none']
 ];
 </script>