Android: Remove unneeded RegisterNatives() calls

content/browser/media/android/media_throttler.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 "content/browser/media/android/media_throttler.h"
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
 #include "jni/MediaThrottler_jni.h"
 
 namespace content {
 
 // static
 MediaThrottler* MediaThrottler::GetInstance() {
   return base::Singleton<MediaThrottler>::get();
 }
 
-// static
-bool MediaThrottler::RegisterMediaThrottler(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 MediaThrottler::~MediaThrottler() {}
 
 bool MediaThrottler::RequestDecoderResources() {
   JNIEnv* env = base::android::AttachCurrentThread();
   return Java_MediaThrottler_requestDecoderResources(
       env, j_media_throttler_.obj());
 }
 
 void MediaThrottler::OnDecodeRequestFinished() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_MediaThrottler_onDecodeRequestFinished(env, j_media_throttler_.obj());
 }
 
 void MediaThrottler::Reset() {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_MediaThrottler_reset(env, j_media_throttler_.obj());
 }
 
 MediaThrottler::MediaThrottler() {
   JNIEnv* env = base::android::AttachCurrentThread();
   CHECK(env);
 
   j_media_throttler_.Reset(Java_MediaThrottler_create(
       env, base::android::GetApplicationContext()));
 }
 
 }  // namespace content