platformKeys: Add policy and corporate key tagging.

chrome/browser/chromeos/platform_keys/key_permissions_policy_handler.h

+// Copyright 2015 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_CHROMEOS_PLATFORM_KEYS_KEY_PERMISSIONS_POLICY_HANDLER_H_
+#define CHROME_BROWSER_CHROMEOS_PLATFORM_KEYS_KEY_PERMISSIONS_POLICY_HANDLER_H_
+
+#include "base/macros.h"
+#include "components/policy/core/browser/configuration_policy_handler.h"
+
+namespace policy {
+class Schema;
+}
+
+namespace chromeos {
+
+class KeyPermissionsPolicyHandler
+    : public policy::SchemaValidatingPolicyHandler {
+ public:
+  explicit KeyPermissionsPolicyHandler(const policy::Schema& chrome_schema);
+
+  // policy::ConfigurationPolicyHandler:
+  void ApplyPolicySettings(const policy::PolicyMap& policies,
+                           PrefValueMap* prefs) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(KeyPermissionsPolicyHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_PLATFORM_KEYS_KEY_PERMISSIONS_POLICY_HANDLER_H_