Connections now take a ConnectionParams instead of a pipe handle.

mojo/edk/embedder/connection_param.h

+// 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"
+
+namespace mojo {
+namespace edk {
+
+class MOJO_SYSTEM_IMPL_EXPORT ConnectionParam {

[Ken Rockot(use gerrit already), 2017/03/09 18:00:43]

nit: (sorry) - I think ConnectionParams (plural) would be a better name

+ public:
+  explicit ConnectionParam(ScopedPlatformHandle channel);
+
+  ConnectionParam(ConnectionParam&& param);
+  ConnectionParam& operator=(ConnectionParam&& param);
+
+  ScopedPlatformHandle TakeChannelHandle();
+
+ private:
+  ScopedPlatformHandle channel_;
+
+  DISALLOW_COPY_AND_ASSIGN(ConnectionParam);
+};
+
+}  // namespace edk
+}  // namespace mojo
+
+#endif  // MOJO_EDK_EMBEDDER_CONNECTION_PARAM_H_