Fix auto raw pointer deduction on linux

device/battery/battery_status_manager_linux_unittest.cc

 // 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.
 
 #include "device/battery/battery_status_manager_linux.h"
 
 #include <limits>
 #include <list>
 #include <string>
 
@@ skipping 307 matching lines @@
     writer->AppendVariantOfUint32(properties->type);
   else
     LOG(WARNING) << __FUNCTION__ << " unknown property: " << property_name;
 }
 
 void MockBatteryObject::AppendAllPropertiesToWriter(
     dbus::MessageWriter* writer) {
   dbus::MessageWriter array_writer(nullptr);
   dbus::MessageWriter dict_entry_writer(nullptr);
   writer->OpenArray("{sv}", &array_writer);
-  for (auto property_name :
+  for (auto* property_name :
        {kUPowerDevicePropertyIsPresent, kUPowerDevicePropertyState,
         kUPowerDevicePropertyTimeToEmpty, kUPowerDevicePropertyTimeToFull,
         kUPowerDevicePropertyType}) {
     array_writer.OpenDictEntry(&dict_entry_writer);
     dict_entry_writer.AppendString(property_name);
     AppendPropertyToWriter(&dict_entry_writer, property_name);
     array_writer.CloseContainer(&dict_entry_writer);
   }
   writer->CloseContainer(&array_writer);
 }
@@ skipping 873 matching lines @@
   status = last_battery_status();
   EXPECT_EQ(last_count, count_battery_updates());
 
   EXPECT_FALSE(status.charging);
   EXPECT_EQ(std::numeric_limits<double>::infinity(), status.charging_time);
   EXPECT_EQ(200, status.discharging_time);
   EXPECT_EQ(0.7, status.level);
 }
 
 }  // namespace device