jni_generator: Pass object parameters as JavaParamRef.

net/android/network_change_notifier_delegate_android.cc

 // Copyright (c) 2012 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 "net/android/network_change_notifier_delegate_android.h"
 
 #include "base/logging.h"
 #include "jni/NetworkChangeNotifier_jni.h"
 #include "net/android/network_change_notifier_android.h"
 
@@ skipping 27 matching lines @@
 NetworkChangeNotifier::ConnectionSubtype ConvertConnectionSubtype(
     jint subtype) {
   DCHECK(subtype >= 0 && subtype <= NetworkChangeNotifier::SUBTYPE_LAST);
 
   return static_cast<NetworkChangeNotifier::ConnectionSubtype>(subtype);
 }
 
 }  // namespace
 
 jdouble GetMaxBandwidthForConnectionSubtype(JNIEnv* env,
-                                            jclass caller,
+                                            const JavaParamRef<jclass>& caller,
                                             jint subtype) {
   return NetworkChangeNotifierAndroid::GetMaxBandwidthForConnectionSubtype(
       ConvertConnectionSubtype(subtype));
 }
 
 NetworkChangeNotifierDelegateAndroid::NetworkChangeNotifierDelegateAndroid()
     : observers_(new base::ObserverListThreadSafe<Observer>()) {
   JNIEnv* env = base::android::AttachCurrentThread();
   java_network_change_notifier_.Reset(
       Java_NetworkChangeNotifier_init(
@@ skipping 89 matching lines @@
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_NetworkChangeNotifier_forceConnectivityState(env, true);
 }
 
 void NetworkChangeNotifierDelegateAndroid::SetOffline() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_NetworkChangeNotifier_forceConnectivityState(env, false);
 }
 
 }  // namespace net