Update PlatformSensorAmbientLightMac constructor

device/generic_sensor/platform_sensor_ambient_light_mac.cc

 // Copyright 2016 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/generic_sensor/platform_sensor_ambient_light_mac.h"
 
 #include <stdint.h>
 
 #include <IOKit/IOMessage.h>
 
@@ skipping 29 matching lines @@
 
 }  // namespace
 
 namespace device {
 
 enum LmuFunctionIndex {
   kGetSensorReadingID = 0,  // getSensorReading(int *, int *)
 };
 
 PlatformSensorAmbientLightMac::PlatformSensorAmbientLightMac(
-    mojom::SensorType type,
     mojo::ScopedSharedBufferMapping mapping,
     PlatformSensorProvider* provider)
-    : PlatformSensor(type, std::move(mapping), provider),
+    : PlatformSensor(mojom::SensorType::AMBIENT_LIGHT,
+                     std::move(mapping),
+                     provider),
       light_sensor_port_(nullptr),
-      current_lux_(0.0) {
-  DCHECK_EQ(type, mojom::SensorType::AMBIENT_LIGHT);
-}
+      current_lux_(0.0) {}
 
 PlatformSensorAmbientLightMac::~PlatformSensorAmbientLightMac() = default;
 
 mojom::ReportingMode PlatformSensorAmbientLightMac::GetReportingMode() {
   return mojom::ReportingMode::ON_CHANGE;
 }
 
 bool PlatformSensorAmbientLightMac::CheckSensorConfiguration(
     const PlatformSensorConfiguration& configuration) {
   return configuration.frequency() > 0 &&
@@ skipping 99 matching lines @@
   current_lux_ = lux;
 
   SensorReading reading;
   reading.timestamp = (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
   reading.values[0] = current_lux_;
   UpdateSensorReading(reading, true);
   return true;
 }
 
 }  // namespace device