Mojo: Mojom: Remove default values for structs and arrays.

mojo/bindings/js/codec_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([
     "gin/test/expect",
     "mojo/public/js/bindings/codec",
     "mojo/public/interfaces/bindings/tests/sample_service.mojom",
   ], function(expect, codec, sample) {
   testBar();
@@ skipping 66 matching lines @@
       new sample.Bar(), new sample.Bar(), new sample.Bar(),
     ];
     for (var i = 0; i < foo.extra_bars.length; ++i) {
       foo.extra_bars[i].alpha = 1 * i;
       foo.extra_bars[i].beta = 2 * i;
       foo.extra_bars[i].gamma = 3 * i;
     }
     foo.name = "I am a banana";
     // This is supposed to be a handle, but we fake it with an integer.
     foo.source = 23423782;
+    foo.array_of_array_of_bools = [
+      [true], [false, true]
+    ];
 
     var messageName = 31;
     var payloadSize = 304;
 
     var builder = new codec.MessageBuilder(messageName, payloadSize);
     builder.encodeStruct(sample.Foo, foo);
 
     var message = builder.finish();
 
     var expectedMemory = new Uint8Array([
@@ skipping 113 matching lines @@
     expect(actualMemory.length).toEqual(expectedMemory.length);
     expect(actualMemory).toEqual(expectedMemory);
 
     var reader = new codec.MessageReader(message);
     expect(reader.payloadSize).toBe(payloadSize);
     expect(reader.messageName).toBe(messageName);
     var str2 = reader.decoder.decodeStringPointer();
     expect(str2).toEqual(str);
   }
 });