[DeviceLight] Add renderer+common parts

content/common/device_sensors/device_light_data.cc

Index: content/common/device_sensors/device_light_data.cc
diff --git a/content/browser/power_profiler/power_data_provider_dummy.cc b/content/common/device_sensors/device_light_data.cc
similarity index 63%
copy from content/browser/power_profiler/power_data_provider_dummy.cc
copy to content/common/device_sensors/device_light_data.cc
index 749f7c5066de86791a8bf26af6d05dd2429151a9..3b48a35bdb6818a8eb5869fe5b810845d2f3a003 100644
--- a/content/browser/power_profiler/power_data_provider_dummy.cc
+++ b/content/common/device_sensors/device_light_data.cc
@@ -2,12 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/browser/power_profiler/power_data_provider.h"
+#include "content/common/device_sensors/device_light_data.h"
+
+#include <string.h>
 
 namespace content {
 
-scoped_ptr<PowerDataProvider> PowerDataProvider::Create() {
-  return make_scoped_ptr<PowerDataProvider>(NULL);
+DeviceLightData::DeviceLightData()
+{
+  memset(this, 0, sizeof(*this));
 }
 
 }  // namespace content