[Sensors] Consider maximum supported frequency

device/generic_sensor/public/interfaces/sensor_provider.mojom

Index: device/generic_sensor/public/interfaces/sensor_provider.mojom
diff --git a/device/generic_sensor/public/interfaces/sensor_provider.mojom b/device/generic_sensor/public/interfaces/sensor_provider.mojom
index 06eb7cbbdb34e76da4796e2de3af7ca27b7d3ff8..7b89d3aa062f1fc7803e2ef35ae1010b11b8bc7b 100644
--- a/device/generic_sensor/public/interfaces/sensor_provider.mojom
+++ b/device/generic_sensor/public/interfaces/sensor_provider.mojom
@@ -19,6 +19,11 @@ struct SensorInitParams {
   // Default sensor configuration.
   SensorConfiguration default_configuration;
 
+  // Maximum sampling frequency for the sensor: it considers both
+  // |SensorConfiguration::kMaxAllowedFrequency| and actual sensor
+  // capabilities.
+  double maximum_frequency;
+
   // Each sensor's read buffer contains 4 tightly packed 64-bit floating
   // point fields (please see sensor_reading.h) and a seqlock, so its size is
   // 5 * 8 = 40 bytes.