contacts: Add Contact struct and test functions.

chrome/browser/chromeos/contacts/contact.cc

+// Copyright (c) 2012 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 "chrome/browser/chromeos/contacts/contact.h"
+
+namespace contacts {
+
+Contact::AddressType::AddressType() : relation(RELATION_OTHER) {}
+
+Contact::EmailAddress::EmailAddress() : primary(false) {}
+
+Contact::PhoneNumber::PhoneNumber() : primary(false) {}
+
+Contact::PostalAddress::PostalAddress() : primary(false) {}
+
+Contact::InstantMessagingAddress::InstantMessagingAddress()
+    : protocol(PROTOCOL_OTHER),
+      primary(false) {}
+
+Contact::Contact() : deleted(false) {}
+
+Contact::~Contact() {}
+
+}  // namespace contacts