Add missing using statements for JNI types.

device/bluetooth/test/bluetooth_test_android.cc

 // 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.
 
 #include "device/bluetooth/test/bluetooth_test_android.h"
 
 #include <iterator>
 #include <sstream>
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "device/bluetooth/android/wrappers.h"
 #include "device/bluetooth/bluetooth_adapter_android.h"
 #include "device/bluetooth/bluetooth_device_android.h"
 #include "device/bluetooth/bluetooth_remote_gatt_characteristic_android.h"
 #include "device/bluetooth/bluetooth_remote_gatt_descriptor_android.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service_android.h"
 #include "device/bluetooth/test/test_bluetooth_adapter_observer.h"
 #include "jni/Fakes_jni.h"
 
 using base::android::AttachCurrentThread;
+using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 namespace device {
 
 BluetoothTestAndroid::BluetoothTestAndroid() {
 }
 
 BluetoothTestAndroid::~BluetoothTestAndroid() {
 }
 
@@ skipping 443 matching lines @@
 }
 
 void BluetoothTestAndroid::OnFakeAdapterStateChanged(
     JNIEnv* env,
     const JavaParamRef<jobject>& caller,
     const bool powered) {
   adapter_->NotifyAdapterPoweredChanged(powered);
 }
 
 }  // namespace device