Straighten up life cycle of native InfoBar pointers

chrome/browser/ui/android/infobars/save_password_infobar.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/ui/android/infobars/save_password_infobar.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "jni/SavePasswordInfoBar_jni.h"
 
@@ skipping 12 matching lines @@
   SavePasswordInfoBarDelegate* save_password_delegate =
       static_cast<SavePasswordInfoBarDelegate*>(delegate());
   ScopedJavaLocalRef<jstring> ok_button_text = ConvertUTF16ToJavaString(
       env, GetTextFor(ConfirmInfoBarDelegate::BUTTON_OK));
   ScopedJavaLocalRef<jstring> cancel_button_text = ConvertUTF16ToJavaString(
       env, GetTextFor(ConfirmInfoBarDelegate::BUTTON_CANCEL));
   ScopedJavaLocalRef<jstring> message_text = ConvertUTF16ToJavaString(
       env, save_password_delegate->GetMessageText());
 
   return Java_SavePasswordInfoBar_show(
-      env, reinterpret_cast<intptr_t>(this), GetEnumeratedIconId(),
-      message_text.obj(), save_password_delegate->title_link_range().start(),
+      env, GetEnumeratedIconId(), message_text.obj(),
+      save_password_delegate->title_link_range().start(),
       save_password_delegate->title_link_range().end(), ok_button_text.obj(),
       cancel_button_text.obj(), save_password_delegate->ShouldShowMoreButton());
 }
 
 void SavePasswordInfoBar::OnLinkClicked(JNIEnv* env, jobject obj) {
   GetDelegate()->LinkClicked(NEW_FOREGROUND_TAB);
 }
 
 bool SavePasswordInfoBar::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }