[Sensors] Consider maximum supported frequency

device/generic_sensor/platform_sensor.h

Index: device/generic_sensor/platform_sensor.h
diff --git a/device/generic_sensor/platform_sensor.h b/device/generic_sensor/platform_sensor.h
index 0a2948ffb48b63989dd92509b602b730ebf7735c..62320a5c48dba20754d5cd9080b64ef3df70706e 100644
--- a/device/generic_sensor/platform_sensor.h
+++ b/device/generic_sensor/platform_sensor.h
@@ -41,6 +41,13 @@ class DEVICE_GENERIC_SENSOR_EXPORT PlatformSensor
   virtual mojom::ReportingMode GetReportingMode() = 0;
   virtual PlatformSensorConfiguration GetDefaultConfiguration() = 0;
 
+  // Can be overriden to return the sensor maximum sampling frequency
+  // value obtained from the platform if it is available. If platfrom
+  // does not provide maximum sampling frequency this method must
+  // return default frequency.
+  // The default implementation returns default frequency.
+  virtual double GetMaximumSupportedFrequency();
+
   mojom::SensorType GetType() const;
 
   bool StartListening(Client* client,