[Sensors] Improvements in shared buffer managing

device/generic_sensor/platform_sensor_provider_base.h

Index: device/generic_sensor/platform_sensor_provider_base.h
diff --git a/device/generic_sensor/platform_sensor_provider_base.h b/device/generic_sensor/platform_sensor_provider_base.h
index a64758a6b94d4e216070b39c2c1750b332508a32..6244170e86a61c0218f86652393192fdb37c6c8f 100644
--- a/device/generic_sensor/platform_sensor_provider_base.h
+++ b/device/generic_sensor/platform_sensor_provider_base.h
@@ -21,8 +21,6 @@ class PlatformSensorProviderBase : public base::NonThreadSafe {
 
   // Creates new instance of PlatformSensor.
   void CreateSensor(mojom::SensorType type,
-                    uint64_t size,
-                    uint64_t offset,
                     const CreateSensorCallback& callback);
 
   // Gets previously created instance of PlatformSensor by sensor type |type|.
@@ -38,7 +36,6 @@ class PlatformSensorProviderBase : public base::NonThreadSafe {
   // Method that must be implemented by platform specific classes.
   virtual void CreateSensorInternal(mojom::SensorType type,
                                     mojo::ScopedSharedBufferMapping mapping,
-                                    uint64_t buffer_size,
                                     const CreateSensorCallback& callback) = 0;
 
  private: