jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/foreign_session_helper.cc

 // Copyright 2013 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 "chrome/browser/android/foreign_session_helper.h"
 
 #include <jni.h>
 
 #include "base/android/jni_string.h"
 #include "base/prefs/pref_service.h"
@@ skipping 124 matching lines @@
             env, j_session.obj(),
             window.timestamp.ToJavaTime(),
             window.window_id.id()));
 
     CopyWindowToJava(env, window, last_pushed_window);
   }
 }
 
 }  // namespace
 
-static jlong Init(JNIEnv* env, jclass clazz, jobject profile) {
+static jlong Init(JNIEnv* env,
+                  const JavaParamRef<jclass>& clazz,
+                  const JavaParamRef<jobject>& profile) {
   ForeignSessionHelper* foreign_session_helper = new ForeignSessionHelper(
       ProfileAndroid::FromProfileAndroid(profile));
   return reinterpret_cast<intptr_t>(foreign_session_helper);
 }
 
 ForeignSessionHelper::ForeignSessionHelper(Profile* profile)
     : profile_(profile) {
   ProfileSyncService* service = ProfileSyncServiceFactory::GetInstance()->
       GetForProfile(profile);
   registrar_.Add(this, chrome::NOTIFICATION_SYNC_CONFIGURE_DONE,
@@ skipping 168 matching lines @@
                                                 jstring session_tag) {
   OpenTabsUIDelegate* open_tabs = GetOpenTabsUIDelegate(profile_);
   if (open_tabs)
     open_tabs->DeleteForeignSession(ConvertJavaStringToUTF8(env, session_tag));
 }
 
 // static
 bool ForeignSessionHelper::RegisterForeignSessionHelper(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }