Changing SpawnChild to return a struct.

mojo/edk/embedder/connection_param.h

Index: mojo/edk/embedder/connection_param.h
diff --git a/mojo/edk/embedder/connection_param.h b/mojo/edk/embedder/connection_param.h
new file mode 100644
index 0000000000000000000000000000000000000000..100ef579f2c24e9e9862fd6468b1487e0a063761
--- /dev/null
+++ b/mojo/edk/embedder/connection_param.h
@@ -0,0 +1,66 @@
+// Copyright 2017 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.
+
+#ifndef MOJO_EDK_EMBEDDER_CONNECTION_PARAM_H_
+#define MOJO_EDK_EMBEDDER_CONNECTION_PARAM_H_
+
+#include "base/macros.h"
+#include "build/build_config.h"
+#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/system/system_impl_export.h"
+
+#if defined(OS_ANDROID)
+#include "base/android/parcelable_channel_client.h"
+#include "base/android/parcelable_channel_server.h"
+#include "base/android/scoped_java_ref.h"
+#endif
+
+namespace mojo {
+namespace edk {
+
+class MOJO_SYSTEM_IMPL_EXPORT ConnectionParam {
+ public:
+#if defined(OS_ANDROID)
+  explicit ConnectionParam(ScopedPlatformHandle channel);
+  ConnectionParam(
+      ScopedPlatformHandle channel,
+      base::android::ParcelableChannelClient parcelable_channel_client,
+      base::android::ParcelableChannelServer parcelable_channel_server);
+#else
+  explicit ConnectionParam(ScopedPlatformHandle channel);
+#endif
+  ConnectionParam(ConnectionParam&& param);
+
+  ConnectionParam& operator=(ConnectionParam&& param);
+
+  ScopedPlatformHandle TakeChannelHandle();
+
+#if defined(OS_ANDROID)
+  base::android::ParcelableChannelClient TakeParcelableChannelClient();
+  base::android::ParcelableChannelServer TakeParcelableChannelServer();
+
+  bool is_valid_parcelable_channel_client() const {
+    return parcelable_channel_client_.is_valid();
+  }
+
+  bool is_valid_parcelable_channel_server() const {
+    return parcelable_channel_server_.is_valid();
+  }
+#endif
+
+ private:
+  ScopedPlatformHandle channel_;
+
+#if defined(OS_ANDROID)
+  base::android::ParcelableChannelClient parcelable_channel_client_;
+  base::android::ParcelableChannelServer parcelable_channel_server_;
+#endif
+
+  DISALLOW_COPY_AND_ASSIGN(ConnectionParam);
+};
+
+}  // namespace edk
+}  // namespace mojo
+
+#endif  // MOJO_EDK_EMBEDDER_CONNECTION_PARAM_H_