[Sensors] Consider maximum supported frequency

third_party/WebKit/Source/modules/sensor/Sensor.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 Sensor_h
 #define Sensor_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
@@ skipping 53 matching lines @@
  protected:
   Sensor(ScriptState*,
          const SensorOptions&,
          ExceptionState&,
          device::mojom::blink::SensorType);
   virtual std::unique_ptr<SensorReadingFactory>
   createSensorReadingFactory() = 0;
 
   using SensorConfigurationPtr = device::mojom::blink::SensorConfigurationPtr;
   using SensorConfiguration = device::mojom::blink::SensorConfiguration;
-  virtual SensorConfigurationPtr createSensorConfig(
-      const SensorOptions&,
-      const SensorConfiguration& defaultConfiguration) = 0;
+
+  // The default implementation will init frequency configuration parameter,
+  // concrete sensor implementations can override this method to handle other
+  // parameters if needed.
+  virtual SensorConfigurationPtr createSensorConfig();
 
  private:
   void initSensorProxyIfNeeded();
 
   // ContextLifecycleObserver overrides.
   void contextDestroyed() override;
 
   // SensorController::Observer overrides.
   void onSensorInitialized() override;
   void onSensorReadingChanged() override;
@@ skipping 30 matching lines @@
   SensorState m_state;
   Member<SensorProxy> m_sensorProxy;
   std::unique_ptr<SensorPollingStrategy> m_polling;
   device::SensorReading m_storedData;
   SensorConfigurationPtr m_configuration;
 };
 
 }  // namespace blink
 
 #endif  // Sensor_h