Android: Remove unneeded RegisterNatives() calls

chrome/browser/ui/android/infobars/download_overwrite_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/download_overwrite_infobar.h"
 
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 47 matching lines @@
     if (delegate->CreateNewFile())
       RemoveSelf();
   } else {
     CHECK(false);
   }
 }
 
 DownloadOverwriteInfoBarDelegate* DownloadOverwriteInfoBar::GetDelegate() {
   return static_cast<DownloadOverwriteInfoBarDelegate*>(delegate());
 }
-
-// Native JNI methods ---------------------------------------------------------
-
-bool RegisterDownloadOverwriteInfoBarDelegate(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}