Pass JavaRef to Java methods in device/bluetooth.

device/bluetooth/bluetooth_remote_gatt_service_android.h

 // Copyright 2015 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.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_ANDROID_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_ANDROID_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 
 namespace device {
 
 class BluetoothAdapterAndroid;
 class BluetoothDeviceAndroid;
 class BluetoothRemoteGattCharacteristicAndroid;
 
 // BluetoothRemoteGattServiceAndroid along with its owned Java class
 // org.chromium.device.bluetooth.ChromeBluetoothRemoteGattService implement
 // BluetoothRemoteGattService.
 class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattServiceAndroid
     : public device::BluetoothRemoteGattService {
  public:
   // Create a BluetoothRemoteGattServiceAndroid instance and associated Java
   // ChromeBluetoothRemoteGattService using the provided
   // |bluetooth_gatt_service_wrapper|.
   //
   // The ChromeBluetoothRemoteGattService instance will hold a Java reference
   // to |bluetooth_gatt_service_wrapper|.
   static std::unique_ptr<BluetoothRemoteGattServiceAndroid> Create(
       BluetoothAdapterAndroid* adapter,
       BluetoothDeviceAndroid* device,
-      jobject /* BluetoothGattServiceWrapper */ bluetooth_gatt_service_wrapper,
+      const base::android::JavaRef<jobject>&
+          bluetooth_gatt_service_wrapper,  // BluetoothGattServiceWrapper
       const std::string& instance_id,
-      jobject /* ChromeBluetoothDevice */ chrome_bluetooth_device);
+      const base::android::JavaRef<jobject>&
+          chrome_bluetooth_device);  // ChromeBluetoothDevice
 
   ~BluetoothRemoteGattServiceAndroid() override;
 
   // Register C++ methods exposed to Java using JNI.
   static bool RegisterJNI(JNIEnv* env);
 
   // Returns the associated ChromeBluetoothRemoteGattService Java object.
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
 
   // Returns a BluetoothRemoteGattService::GattErrorCode from a given
@@ skipping 57 matching lines @@
       std::string,
       std::unique_ptr<BluetoothRemoteGattCharacteristicAndroid>>
       characteristics_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattServiceAndroid);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_ANDROID_H_