Introduce proximity_auth component.

components/proximity_auth/remote_device.h

Index: components/proximity_auth/remote_device.h
diff --git a/components/proximity_auth/remote_device.h b/components/proximity_auth/remote_device.h
new file mode 100644
index 0000000000000000000000000000000000000000..354b6b8598e704877ed9bf37aef280b2a74ec488
--- /dev/null
+++ b/components/proximity_auth/remote_device.h
@@ -0,0 +1,19 @@
+// 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.
+
+#ifndef COMPONENTS_PROXIMITY_AUTH_REMOTE_DEVICE_H
+#define COMPONENTS_PROXIMITY_AUTH_REMOTE_DEVICE_H
+
+#include <string>
+#include <vector>
+
+namespace proximity_auth {
+
+struct RemoteDevice {
+  std::string name;
+};
+
+}  // namespace proximity_auth
+
+#endif  // COMPONENTS_PROXIMITY_AUTH_REMOTE_DEVICE_H