jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/large_icon_bridge.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 "chrome/browser/android/large_icon_bridge.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 41 matching lines @@
     background_color = result.fallback_icon_style->background_color;
 
   Java_LargeIconCallback_onLargeIconAvailable(env,
                                               j_callback->obj(),
                                               j_bitmap.obj(),
                                               background_color);
 }
 
 }  // namespace
 
-static jlong Init(JNIEnv* env, jclass clazz) {
+static jlong Init(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
   return reinterpret_cast<intptr_t>(new LargeIconBridge());
 }
 
 LargeIconBridge::LargeIconBridge() {
 }
 
 LargeIconBridge::~LargeIconBridge() {
 }
 
 void LargeIconBridge::Destroy(JNIEnv* env, jobject obj) {
@@ skipping 30 matching lines @@
       callback_runner,
       &cancelable_task_tracker_);
 
   return true;
 }
 
 // static
 bool LargeIconBridge::RegisterLargeIconBridge(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }