Support default values for complex objects in mojom.

mojo/apps/js/bindings/sample_service_unittests.js

 // Copyright 2013 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.
 
 define([
     "console",
     "mojo/apps/js/test/hexdump",
     "gin/test/expect",
     "mojom/sample_service"
   ], function(console, hexdump, expect, sample) {
@@ skipping 80 matching lines @@
     expect(bar.alpha).toBe(255);
 
     var foo = new sample.Foo();
     expect(foo.name).toBe("Fooby");
     expect(foo.a).toBeTruthy();
 
     expect(foo.data.length).toBe(3);
     expect(foo.data[0]).toBe(1);
     expect(foo.data[1]).toBe(2);
     expect(foo.data[2]).toBe(3);
+
+    var inner = new sample.DefaultsTestInner();
+    expect(inner.names.length).toBe(1);
+    expect(inner.names[0]).toBe("Jim");
+    expect(inner.height).toBe(6*12);
+
+    var full = new sample.DefaultsTest();
+    expect(full.people.length).toBe(1);
+    expect(full.people[0].age).toBe(32);
+    expect(full.people[0].names.length).toBe(2);
+    expect(full.people[0].names[0]).toBe("Bob");
+    expect(full.people[0].names[1]).toBe("Bobby");
+    expect(full.people[0].height).toBe(6*12);
   }
 
   function ServiceImpl() {
   }
 
   ServiceImpl.prototype = Object.create(sample.ServiceStub.prototype);
 
   ServiceImpl.prototype.frobinate = function(foo, baz, port) {
     checkFoo(foo);
     expect(baz).toBe(sample.ServiceStub.BazOptions.BAZ_EXTRA);
@@ skipping 16 matching lines @@
   var serviceProxy = new sample.ServiceProxy(receiver);
 
   checkDefaultValues();
 
   var foo = makeFoo();
   checkFoo(foo);
 
   var port = 10;
   serviceProxy.frobinate(foo, sample.ServiceProxy.BazOptions.BAZ_EXTRA, port);
 });