jni_generator: Pass object parameters as JavaParamRef.

chrome/browser/android/compositor/tab_content_manager.cc

 // Copyright 2014 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/compositor/tab_content_manager.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 352 matching lines @@
 
 bool RegisterTabContentManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 // ----------------------------------------------------------------------------
 // Native JNI methods
 // ----------------------------------------------------------------------------
 
 jlong Init(JNIEnv* env,
-           jobject obj,
+           const JavaParamRef<jobject>& obj,
            jint default_cache_size,
            jint approximation_cache_size,
            jint compression_queue_max_size,
            jint write_queue_max_size,
            jboolean use_approximation_thumbnail) {
   TabContentManager* manager = new TabContentManager(
       env, obj, default_cache_size, approximation_cache_size,
       compression_queue_max_size, write_queue_max_size,
       use_approximation_thumbnail);
   return reinterpret_cast<intptr_t>(manager);
 }
 
 }  // namespace android
 }  // namespace chrome