Pass JavaRef to Java methods in device/bluetooth.

device/bluetooth/bluetooth_remote_gatt_descriptor_android.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/bluetooth/bluetooth_remote_gatt_descriptor_android.h"
 
 #include <memory>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service_android.h"
 #include "jni/ChromeBluetoothRemoteGattDescriptor_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::JavaParamRef;
+using base::android::JavaRef;
 
 namespace device {
 
 // static
 std::unique_ptr<BluetoothRemoteGattDescriptorAndroid>
 BluetoothRemoteGattDescriptorAndroid::Create(
     const std::string& instance_id,
-    jobject /* BluetoothGattDescriptorWrapper */
+    const JavaRef<jobject>& /* BluetoothGattDescriptorWrapper */
     bluetooth_gatt_descriptor_wrapper,
-    jobject /* chromeBluetoothDevice */
+    const JavaRef<jobject>& /* chromeBluetoothDevice */
     chrome_bluetooth_device) {
   std::unique_ptr<BluetoothRemoteGattDescriptorAndroid> descriptor(
       new BluetoothRemoteGattDescriptorAndroid(instance_id));
 
   descriptor->j_descriptor_.Reset(
       Java_ChromeBluetoothRemoteGattDescriptor_create(
           AttachCurrentThread(), reinterpret_cast<intptr_t>(descriptor.get()),
           bluetooth_gatt_descriptor_wrapper, chrome_bluetooth_device));
 
   return descriptor;
@@ skipping 138 matching lines @@
     write_error_callback.Run(
         BluetoothRemoteGattServiceAndroid::GetGattErrorCode(status));
   }
 }
 
 BluetoothRemoteGattDescriptorAndroid::BluetoothRemoteGattDescriptorAndroid(
     const std::string& instance_id)
     : instance_id_(instance_id) {}
 
 }  // namespace device