Migrate all LayoutTests/dart/dom to main repo.

client/tests/client/dom/AudioContextTest.dart

Index: client/tests/client/dom/AudioContextTest.dart
diff --git a/client/tests/client/dom/AudioContextTest.dart b/client/tests/client/dom/AudioContextTest.dart
new file mode 100644
index 0000000000000000000000000000000000000000..94842b0be4e6fba4e2ef10f21ffc64d2d99fa0b4
--- /dev/null
+++ b/client/tests/client/dom/AudioContextTest.dart
@@ -0,0 +1,14 @@
+#library('AudioContextTest');
+#import('../../../testing/unittest/unittest.dart');
+#import('dart:dom');
+
+main() {
+
+  forLayoutTests();
+
+  test('constructorTest', () {
+      var ctx = new AudioContext();
+      Expect.isTrue(ctx != null);
+      Expect.isTrue(ctx is AudioContext);
+  });
+}