Migrate all LayoutTests/dart/dom to main repo.

client/tests/client/dom/ExceptionsTest.dart

Index: client/tests/client/dom/ExceptionsTest.dart
diff --git a/client/tests/client/dom/ExceptionsTest.dart b/client/tests/client/dom/ExceptionsTest.dart
new file mode 100644
index 0000000000000000000000000000000000000000..508e9fe5a4b07c8713f6e897f40dca02c4ea7f01
--- /dev/null
+++ b/client/tests/client/dom/ExceptionsTest.dart
@@ -0,0 +1,27 @@
+#library('ExceptionsTest');
+#import('../../../testing/unittest/unittest.dart');
+#import('dart:dom');
+
+main() {
+  forLayoutTests();
+  test('DOMException', () {
+    try {
+      window.webkitNotifications.createNotification('', '', '');
+    } catch (DOMException e) {
+      Expect.equals(DOMException.SECURITY_ERR, e.code);
+      Expect.equals('SECURITY_ERR', e.name);
+      Expect.equals('SECURITY_ERR: DOM Exception 18', e.message);
+    }
+  });
+  test('EventException', () {
+    final event = window.document.createEvent('Event');
+    // Intentionally do not initialize it!
+    try {
+      window.document.dispatchEvent(event);
+    } catch (EventException e) {
+      Expect.equals(EventException.UNSPECIFIED_EVENT_TYPE_ERR, e.code);
+      Expect.equals('UNSPECIFIED_EVENT_TYPE_ERR', e.name);
+      Expect.equals('UNSPECIFIED_EVENT_TYPE_ERR: DOM Events Exception 0', e.message);
+    }
+  });
+}