Migrate all LayoutTests/dart/dom to main repo.

client/tests/client/dom/DOMIsolatesTest.dart

Index: client/tests/client/dom/DOMIsolatesTest.dart
diff --git a/client/tests/client/dom/DOMIsolatesTest.dart b/client/tests/client/dom/DOMIsolatesTest.dart
new file mode 100644
index 0000000000000000000000000000000000000000..210496a1c0745ee0108a4cb74314f2bfb7df4f12
--- /dev/null
+++ b/client/tests/client/dom/DOMIsolatesTest.dart
@@ -0,0 +1,58 @@
+#library('DOMIsolatesTest');
+#import('../../../testing/unittest/unittest.dart');
+#import('dart:dom');
+
+isolateMain(port) {
+  port.receive((msg, replyTo) {
+    if (msg != 'check') {
+      replyTo.send('wrong msg: $msg');
+    }
+    replyTo.send(window.location.toString());
+    port.close();
+  });
+}
+
+isolateMainTrampoline(port) {
+  final childPortFuture = spawnDomIsolate(window, 'isolateMain');
+  port.receive((msg, parentPort) {
+    childPortFuture.then((childPort) {
+      childPort.call(msg).receive((response, _) {
+        parentPort.send(response);
+        port.close();
+      });
+    });
+  });
+}
+
+main() {
+  forLayoutTests();
+
+  final iframe = document.createElement('iframe');
+  document.body.appendChild(iframe);
+
+  asyncTest('Simple DOM isolate test', 1, () {
+    spawnDomIsolate(iframe.contentWindow, 'isolateMain').then((sendPort) {
+      sendPort.call('check').receive((msg, replyTo) {
+        Expect.equals('about:blank', msg);
+        callbackDone();
+      });
+    });
+  });
+
+  asyncTest('Nested DOM isolates test', 1, () {
+    spawnDomIsolate(iframe.contentWindow, 'isolateMainTrampoline').then((sendPort) {
+      sendPort.call('check').receive((msg, replyTo) {
+        Expect.equals('about:blank', msg);
+        callbackDone();
+      });
+    });
+  });
+
+  test('Null as target window', () {
+    expectThrow(() => spawnDomIsolate(null, 'isolateMain'));
+  });
+
+  test('Not window as target window', () {
+    expectThrow(() => spawnDomIsolate(document, 'isolateMain'));
+  });
+}