[DeviceLight] Add renderer+common parts

content/common/device_sensors/device_light_hardware_buffer.h

Index: content/common/device_sensors/device_light_hardware_buffer.h
diff --git a/content/common/device_sensors/device_light_hardware_buffer.h b/content/common/device_sensors/device_light_hardware_buffer.h
new file mode 100644
index 0000000000000000000000000000000000000000..dcd0f1b57f7de926982f63d649dbbedfc9f74306
--- /dev/null
+++ b/content/common/device_sensors/device_light_hardware_buffer.h
@@ -0,0 +1,17 @@
+// Copyright 2014 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 CONTENT_COMMON_DEVICE_SENSORS_DEVICE_LIGHT_HARDWARE_BUFFER_H_
+#define CONTENT_COMMON_DEVICE_SENSORS_DEVICE_LIGHT_HARDWARE_BUFFER_H_
+
+#include "content/common/device_sensors/device_light_data.h"
+#include "content/common/shared_memory_seqlock_buffer.h"
+
+namespace content {
+
+typedef SharedMemorySeqLockBuffer<DeviceLightData> DeviceLightHardwareBuffer;
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_DEVICE_SENSORS_DEVICE_LIGHT_HARDWARE_BUFFER_H_