policy: Add ostream operator overloads to policy types for testing.

chrome/browser/policy/policy_test_utils.h

+// Copyright (c) 2013 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 CHROME_BROWSER_POLICY_POLICY_TEST_UTILS_H_
+#define CHROME_BROWSER_POLICY_POLICY_TEST_UTILS_H_
+
+#include <ostream>
+
+#include "chrome/browser/policy/policy_map.h"
+#include "chrome/browser/policy/policy_service.h"
+#include "chrome/browser/policy/policy_types.h"
+
+namespace policy {
+
+class PolicyBundle;
+struct PolicyNamespace;
+
+// Returns true if |service| is not serving any policies. Otherwise logs the
+// current policies and returns false.
+bool PolicyServiceIsEmpty(const PolicyService* service);
+
+}  // namespace policy
+
+std::ostream& operator<<(std::ostream& os, const policy::PolicyBundle& bundle);
+std::ostream& operator<<(std::ostream& os, policy::PolicyScope scope);
+std::ostream& operator<<(std::ostream& os, policy::PolicyLevel level);
+std::ostream& operator<<(std::ostream& os, policy::PolicyDomain domain);
+std::ostream& operator<<(std::ostream& os, const policy::PolicyMap& policies);
+std::ostream& operator<<(std::ostream& os, const policy::PolicyMap::Entry& e);
+std::ostream& operator<<(std::ostream& os, const policy::PolicyNamespace& ns);
+
+#endif  // CHROME_BROWSER_POLICY_POLICY_TEST_UTILS_H_