bluetooth: mac: Reject requestDevice promise if Mac version is <= 10.9

device/bluetooth/bluetooth_adapter_factory_wrapper.h

Index: device/bluetooth/bluetooth_adapter_factory_wrapper.h
diff --git a/device/bluetooth/bluetooth_adapter_factory_wrapper.h b/device/bluetooth/bluetooth_adapter_factory_wrapper.h
index cf6839fddc631518afa56dac4b0dd9a71aaedd0a..097b150bb3136dbcee4e6df6c451de61b1c47a4a 100644
--- a/device/bluetooth/bluetooth_adapter_factory_wrapper.h
+++ b/device/bluetooth/bluetooth_adapter_factory_wrapper.h
@@ -29,9 +29,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterFactoryWrapper {
 
   static BluetoothAdapterFactoryWrapper& Get();
 
-  // Returns true if the platform supports Bluetooth or if
+  // Returns true if the platform supports Bluetooth Low Energy or if
   // SetBluetoothAdapterForTesting has been called.
-  bool IsBluetoothAdapterAvailable();
+  bool IsLowEnergyAvailable();
 
   // Adds |observer| to the set of adapter observers. If another observer has
   // acquired the adapter in the past it adds |observer| as an observer to that