Pass JavaRef to Java methods in device/bluetooth.

device/bluetooth/bluetooth_adapter_android.h

Index: device/bluetooth/bluetooth_adapter_android.h
diff --git a/device/bluetooth/bluetooth_adapter_android.h b/device/bluetooth/bluetooth_adapter_android.h
index d96e1280f18b41cd3170cd8aec3158502149398d..cc93dd7936af9a9af3d6c51a9afb4ca39ad56813 100644
--- a/device/bluetooth/bluetooth_adapter_android.h
+++ b/device/bluetooth/bluetooth_adapter_android.h
@@ -44,7 +44,8 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterAndroid final
   // The BluetoothAdapterAndroid instance will indirectly hold a Java reference
   // to |bluetooth_adapter_wrapper|.
   static base::WeakPtr<BluetoothAdapterAndroid> Create(
-      jobject bluetooth_adapter_wrapper);  // Java Type: bluetoothAdapterWrapper
+      const base::android::JavaRef<jobject>&
+          bluetooth_adapter_wrapper);  // Java Type: bluetoothAdapterWrapper
 
   // Register C++ methods exposed to Java using JNI.
   static bool RegisterJNI(JNIEnv* env);