Remove Yoshi charger recall pop up warning UI code.

ash/system/chromeos/power/tray_power_unittest.cc

Index: ash/system/chromeos/power/tray_power_unittest.cc
diff --git a/ash/system/chromeos/power/tray_power_unittest.cc b/ash/system/chromeos/power/tray_power_unittest.cc
index 3678eec0807f560d04bd6c338b5fdec82aeb4836..50bb141d2f6ad26fb88f7a491acdde43a7776249 100644
--- a/ash/system/chromeos/power/tray_power_unittest.cc
+++ b/ash/system/chromeos/power/tray_power_unittest.cc
@@ -217,18 +217,6 @@ TEST_F(TrayPowerTest, UpdateNotificationState) {
   safe_usb.set_battery_percent(TrayPower::kNoWarningPercentage - 0.1);
   EXPECT_FALSE(UpdateNotificationState(safe_usb));
   EXPECT_EQ(TrayPower::NOTIFICATION_NONE, notification_state());
-
-  // A notification shouldn't be shown when we're in the full state with an
-  // original Spring charger connected: http://crbug.com/338376
-  PowerSupplyProperties spring = DefaultPowerSupplyProperties();
-  spring.set_external_power(power_manager::
-      PowerSupplyProperties_ExternalPower_ORIGINAL_SPRING_CHARGER);
-  spring.set_battery_state(
-      power_manager::PowerSupplyProperties_BatteryState_FULL);
-  spring.set_battery_time_to_empty_sec(0);
-  spring.set_battery_time_to_full_sec(0);
-  EXPECT_FALSE(UpdateNotificationState(spring));
-  EXPECT_EQ(TrayPower::NOTIFICATION_NONE, notification_state());
 }
 
 }  // namespace ash