Move power_supply_status.* from src/ash to src/chromeos

chromeos/chromeos_export.h

Index: chromeos/chromeos_export.h
diff --git a/chromeos/chromeos_export.h b/chromeos/chromeos_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..7be813f260fb5b1da6ff0ee7444c9c64629c9991
--- /dev/null
+++ b/chromeos/chromeos_export.h
@@ -0,0 +1,26 @@
+// 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.
+
+#ifndef CHROMEOS_CHROMEOS_EXPORT_H_
+#define CHROMEOS_CHROMEOS_EXPORT_H_
+#pragma once
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(CHROMEOS_IMPLEMENTATION)
+#define CHROMEOS_EXPORT __declspec(dllexport)
+#else
+#define CHROMEOS_EXPORT __declspec(dllimport)
+#endif  // defined(CHROMEOS_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+#define CHROMEOS_EXPORT __attribute__((visibility("default")))
+#endif
+
+#else  // defined(COMPONENT_BUILD)
+#define CHROMEOS_EXPORT
+#endif
+
+#endif  // CHROMEOS_CHROMEOS_EXPORT_H_