[mojo] Ports EDK

mojo/edk/system/ports/port_ref.cc

Index: mojo/edk/system/ports/port_ref.cc
diff --git a/mojo/edk/system/ports/port_ref.cc b/mojo/edk/system/ports/port_ref.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bd596299aa5d6c3c4e148832d332f31ac94fe35a
--- /dev/null
+++ b/mojo/edk/system/ports/port_ref.cc
@@ -0,0 +1,37 @@
+// Copyright 2016 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/edk/system/ports/port_ref.h"
+
+#include "mojo/edk/system/ports/port.h"
+
+namespace mojo {
+namespace edk {
+namespace ports {
+
+PortRef::~PortRef() {
+}
+
+PortRef::PortRef() {
+}
+
+PortRef::PortRef(const PortName& name, const scoped_refptr<Port>& port)
+    : name_(name), port_(port) {
+}
+
+PortRef::PortRef(const PortRef& other)
+    : name_(other.name_), port_(other.port_) {
+}
+
+PortRef& PortRef::operator=(const PortRef& other) {
+  if (&other != this) {
+    name_ = other.name_;
+    port_ = other.port_;
+  }
+  return *this;
+}
+
+}  // namespace ports
+}  // namespace edk
+}  // namespace mojo