[Sensors] Allow Sensor API only on secure top-level browsing contexts and add frequency checks

device/generic_sensor/public/cpp/platform_sensor_configuration.cc

Index: device/generic_sensor/public/cpp/platform_sensor_configuration.cc
diff --git a/device/generic_sensor/public/cpp/platform_sensor_configuration.cc b/device/generic_sensor/public/cpp/platform_sensor_configuration.cc
index 4061ad0681193d26fd7eebc28d8ec7f445b7fdc8..44b26b32b3902fda9cf9807e145e37c226c34238 100644
--- a/device/generic_sensor/public/cpp/platform_sensor_configuration.cc
+++ b/device/generic_sensor/public/cpp/platform_sensor_configuration.cc
@@ -4,16 +4,25 @@
 
 #include "device/generic_sensor/public/cpp/platform_sensor_configuration.h"
 
+#include "device/generic_sensor/public/interfaces/sensor.mojom.h"
+
 namespace device {
 
 PlatformSensorConfiguration::PlatformSensorConfiguration(double frequency)
     : frequency_(frequency) {
-  DCHECK(frequency_ <= kMaxAllowedFrequency && frequency_ > 0.0);
+  DCHECK(frequency_ <= mojom::SensorConfiguration::kMaxAllowedFrequency &&
+         frequency_ > 0.0);
 }
 
 PlatformSensorConfiguration::PlatformSensorConfiguration() = default;
 PlatformSensorConfiguration::~PlatformSensorConfiguration() = default;
 
+void PlatformSensorConfiguration::set_frequency(double frequency) {
+  DCHECK(frequency_ <= mojom::SensorConfiguration::kMaxAllowedFrequency &&
+         frequency_ > 0.0);
+  frequency_ = frequency;
+}
+
 bool PlatformSensorConfiguration::operator==(
     const PlatformSensorConfiguration& other) const {
   return frequency_ == other.frequency();