wifi_sync: add WifiConfigDelegate

components/wifi_sync/wifi_config_delegate_chromeos.h

Index: components/wifi_sync/wifi_config_delegate_chromeos.h
diff --git a/components/wifi_sync/wifi_config_delegate_chromeos.h b/components/wifi_sync/wifi_config_delegate_chromeos.h
new file mode 100644
index 0000000000000000000000000000000000000000..94f91d76908ea6daf55a45a8f905e8d7e00c8094
--- /dev/null
+++ b/components/wifi_sync/wifi_config_delegate_chromeos.h
@@ -0,0 +1,49 @@
+// 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 COMPONENTS_WIFI_SYNC_WIFI_CONFIG_DELEGATE_CHROMEOS_H_
+#define COMPONENTS_WIFI_SYNC_WIFI_CONFIG_DELEGATE_CHROMEOS_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "components/wifi_sync/wifi_config_delegate.h"
+
+namespace chromeos {
+class ManagedNetworkConfigurationHandler;
+}
+
+namespace wifi_sync {
+
+// ChromeOS-specific implementation of the WifiConfigDelegate interface.
+class WifiConfigDelegateChromeOs : public WifiConfigDelegate {
+ public:
+  // Constructs a delegate, which is responsible for applying changes
+  // to the local network configuration. Any changes made by this
+  // delegate will be applied to the Shill profile that corresponds to
+  // |user_hash|. The caller must ensure that the
+  // |managed_net_config_handler| outlives the delegate.
+  WifiConfigDelegateChromeOs(
+      const std::string& user_hash,
+      chromeos::ManagedNetworkConfigurationHandler* managed_net_config_handler);
+  ~WifiConfigDelegateChromeOs() override;
+
+  // WifiConfigDelegate implementation.
+  void AddToLocalNetworks(const WifiCredential& network_credential) override;
+
+ private:
+  // The ChromeOS user-hash that should be used when modifying network
+  // configurations.
+  const std::string user_hash_;
+
+  // The object we use to configure ChromeOS network state.
+  chromeos::ManagedNetworkConfigurationHandler* const
+      managed_network_configuration_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiConfigDelegateChromeOs);
+};
+
+}  // namespace wifi_sync
+
+#endif  // COMPONENTS_WIFI_SYNC_WIFI_CONFIG_DELEGATE_CHROMEOS_H_