bluetooth: macOS: Adding histograms for NSError values

device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm

Index: device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm
diff --git a/device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm b/device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm
index 173adcdf78963b21e8f1bcdb9989a65764b57692..84eaeb71a4b7a195d144228182e4678c4cfb1fd3 100644
--- a/device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm
+++ b/device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm
@@ -9,6 +9,7 @@
 #include "base/strings/sys_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #import "device/bluetooth/bluetooth_adapter_mac.h"
+#include "device/bluetooth/bluetooth_adapter_mac_metrics.h"
 #import "device/bluetooth/bluetooth_remote_gatt_characteristic_mac.h"
 
 using base::mac::ObjCCast;
@@ -139,6 +140,7 @@ void BluetoothRemoteGattDescriptorMac::DidUpdateValueForDescriptor(
   std::pair<ValueCallback, ErrorCallback> callbacks;
   callbacks.swap(read_value_callbacks_);
   value_read_or_write_in_progress_ = false;
+  RecordDidUpdateValueForDescriptorResult(error);
   if (error) {
     BluetoothGattService::GattErrorCode error_code =
         BluetoothDeviceMac::GetGattErrorCodeFromNSError(error);
@@ -162,6 +164,7 @@ void BluetoothRemoteGattDescriptorMac::DidWriteValueForDescriptor(
   std::pair<base::Closure, ErrorCallback> callbacks;
   callbacks.swap(write_value_callbacks_);
   value_read_or_write_in_progress_ = false;
+  RecordDidWriteValueForDescriptorResult(error);
   if (error) {
     BluetoothGattService::GattErrorCode error_code =
         BluetoothDeviceMac::GetGattErrorCodeFromNSError(error);