mojom: Add associative arrays to the mojom language.

mojo/public/cpp/bindings/tests/container_test_util.cc

+// 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.
+
+#include "mojo/public/cpp/bindings/tests/container_test_util.h"
+
+namespace mojo {
+
+size_t CopyableType::num_instances_ = 0;
+size_t MoveOnlyType::num_instances_ = 0;
+
+CopyableType::CopyableType() : copied_(false), ptr_(this) {
+  num_instances_++;
+}
+
+CopyableType::CopyableType(const CopyableType& other)
+    : copied_(true), ptr_(other.ptr()) {
+  num_instances_++;
+}
+
+CopyableType& CopyableType::operator=(const CopyableType& other) {
+  copied_ = true;
+  ptr_ = other.ptr();
+  return *this;
+}
+
+CopyableType::~CopyableType() {
+  num_instances_--;
+}
+
+MoveOnlyType::MoveOnlyType() : moved_(false), ptr_(this) {
+  num_instances_++;
+}
+
+MoveOnlyType::MoveOnlyType(RValue other)
+    : moved_(true), ptr_(other.object->ptr()) {
+  num_instances_++;
+}
+
+MoveOnlyType& MoveOnlyType::operator=(RValue other) {
+  moved_ = true;
+  ptr_ = other.object->ptr();
+  return *this;
+}
+
+MoveOnlyType::~MoveOnlyType() {
+  num_instances_--;
+}
+
+}  // namespace mojo