shill: Add a basic PowerManager DBus proxy.

It will be used to communicate with powerd to handle suspend/resume events.

BUG=chromium-os:22409
TEST=unit tests

Change-Id: I982211a22a70bb67efafc4652ffe6ce8375600e6
Reviewed-on: https://gerrit.chromium.org/gerrit/11126
Commit-Ready: Darin Petkov <petkov@chromium.org>
Reviewed-by: Darin Petkov <petkov@chromium.org>
Tested-by: Darin Petkov <petkov@chromium.org>
diff --git a/power_manager_proxy.cc b/power_manager_proxy.cc
new file mode 100644
index 0000000..a0e7693
--- /dev/null
+++ b/power_manager_proxy.cc
@@ -0,0 +1,36 @@
+// Copyright (c) 2011 The Chromium OS 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 "shill/power_manager_proxy.h"
+
+#include <base/logging.h>
+#include <chromeos/dbus/service_constants.h>
+
+namespace shill {
+
+PowerManagerProxy::PowerManagerProxy(PowerManagerProxyDelegate *delegate,
+                                     DBus::Connection *connection)
+    : proxy_(delegate, connection) {}
+
+PowerManagerProxy::~PowerManagerProxy() {}
+
+void PowerManagerProxy::RegisterSuspendDelay(uint32 delay_ms) {
+  proxy_.RegisterSuspendDelay(delay_ms);
+}
+
+PowerManagerProxy::Proxy::Proxy(PowerManagerProxyDelegate *delegate,
+                                DBus::Connection *connection)
+    : DBus::ObjectProxy(*connection,
+                        power_manager::kPowerManagerServicePath,
+                        power_manager::kPowerManagerServiceName),
+      delegate_(delegate) {}
+
+PowerManagerProxy::Proxy::~Proxy() {}
+
+void PowerManagerProxy::Proxy::SuspendDelay(const uint32_t &sequence_number) {
+  VLOG(2) << __func__ << "(" << sequence_number << ")";
+  delegate_->OnSuspendDelay(sequence_number);
+}
+
+}  // namespace shill