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..f37a261a39358a1c3d709845708b1fd0884946b0 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;
@@ -140,6 +141,9 @@ void BluetoothRemoteGattDescriptorMac::DidUpdateValueForDescriptor(
   callbacks.swap(read_value_callbacks_);
   value_read_or_write_in_progress_ = false;
   if (error) {
+    LogNSErrorToHistogram(
+        error, WebBluetoothMacOSAPIs::
+                   WEB_BLUETOOTH_MACOS_APIS_DID_UPDATE_VALUE_FOR_DESCRIPTOR);
     BluetoothGattService::GattErrorCode error_code =
         BluetoothDeviceMac::GetGattErrorCodeFromNSError(error);
     VLOG(1) << *this << ": Read value failed with error: "
@@ -163,6 +167,9 @@ void BluetoothRemoteGattDescriptorMac::DidWriteValueForDescriptor(
   callbacks.swap(write_value_callbacks_);
   value_read_or_write_in_progress_ = false;
   if (error) {
+    LogNSErrorToHistogram(
+        error, WebBluetoothMacOSAPIs::
+                   WEB_BLUETOOTH_MACOS_APIS_DID_WRITE_VALUE_FOR_DESCRIPTOR);
     BluetoothGattService::GattErrorCode error_code =
         BluetoothDeviceMac::GetGattErrorCodeFromNSError(error);
     VLOG(1) << *this << ": Write value failed with error: "