[Sensors] Consider maximum supported frequency

device/generic_sensor/platform_sensor_win.h

 // 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.
 
 #ifndef DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_
 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_
 
 #include "base/memory/weak_ptr.h"
 #include "device/generic_sensor/platform_sensor.h"
 #include "device/generic_sensor/platform_sensor_reader_win.h"
@@ skipping 16 matching lines @@
  public:
   PlatformSensorWin(
       mojom::SensorType type,
       mojo::ScopedSharedBufferMapping mapping,
       PlatformSensorProvider* provider,
       scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner,
       std::unique_ptr<PlatformSensorReaderWin> sensor_reader);
 
   PlatformSensorConfiguration GetDefaultConfiguration() override;
   mojom::ReportingMode GetReportingMode() override;
+  double GetMaximumSupportedFrequency() override;
 
   // PlatformSensorReaderWin::Client interface implementation.
   void OnReadingUpdated(const SensorReading& reading) override;
   void OnSensorError() override;
 
  protected:
   ~PlatformSensorWin() override;
 
   // PlatformSensor interface implementation.
   bool StartSensor(const PlatformSensorConfiguration& configuration) override;
   void StopSensor() override;
   bool CheckSensorConfiguration(
       const PlatformSensorConfiguration& configuration) override;
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner_;
   PlatformSensorReaderWin* const sensor_reader_;
   base::WeakPtrFactory<PlatformSensorWin> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformSensorWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_