IDL: Binding code generation for dictionaries

Source/bindings/tests/idls/TestDictionary.idl

Index: Source/bindings/tests/idls/TestDictionary.idl
diff --git a/Source/bindings/tests/idls/TestDictionary.idl b/Source/bindings/tests/idls/TestDictionary.idl
new file mode 100644
index 0000000000000000000000000000000000000000..3837db23e00eb292f6bd7d809d212eb3a2c9a80c
--- /dev/null
+++ b/Source/bindings/tests/idls/TestDictionary.idl
@@ -0,0 +1,14 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+[
+    GarbageCollected,
+] dictionary TestDictionary {
+    boolean booleanMember;
+    long longMember = 1;
+    DOMString stringMember;
+    TestInterface testInterfaceMember;
+    double? doubleOrNullMember = null;
+    DOMString? stringOrNullMember = "default string value";
+    TestInterface? testInterfaceOrNullMember;
+};