[Sensors] Remove SensorReading interfaces

third_party/WebKit/Source/modules/sensor/Gyroscope.cpp

 // 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 "modules/sensor/Gyroscope.h"
 
-#include "modules/sensor/GyroscopeReading.h"
 
 using device::mojom::blink::SensorType;
 
 namespace blink {
 
 Gyroscope* Gyroscope::create(ExecutionContext* executionContext,
                              const SensorOptions& options,
                              ExceptionState& exceptionState) {
   return new Gyroscope(executionContext, options, exceptionState);
 }
 
 // static
 Gyroscope* Gyroscope::create(ExecutionContext* executionContext,
                              ExceptionState& exceptionState) {
   return create(executionContext, SensorOptions(), exceptionState);
 }
 
 Gyroscope::Gyroscope(ExecutionContext* executionContext,
                      const SensorOptions& options,
                      ExceptionState& exceptionState)
     : Sensor(executionContext, options, exceptionState, SensorType::GYROSCOPE) {
 }
 
-GyroscopeReading* Gyroscope::reading() const {
-  return static_cast<GyroscopeReading*>(Sensor::reading());
+double Gyroscope::x(bool& isNull) const {
+  return readingValue(0, isNull);
 }
 
-std::unique_ptr<SensorReadingFactory> Gyroscope::createSensorReadingFactory() {
-  return WTF::makeUnique<SensorReadingFactoryImpl<GyroscopeReading>>();
+double Gyroscope::y(bool& isNull) const {
+  return readingValue(1, isNull);
+}
+
+double Gyroscope::z(bool& isNull) const {
+  return readingValue(2, isNull);
 }
 
 DEFINE_TRACE(Gyroscope) {
   Sensor::trace(visitor);
 }
 
 }  // namespace blink