Remove unneeded JNI registrations.

android_webview/native/cookie_manager.cc

 // Copyright (c) 2011 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 "android_webview/native/cookie_manager.h"
-
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_cookie_access_policy.h"
 #include "android_webview/browser/net/init_native_callback.h"
 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
 #include "android_webview/native/aw_browser_dependency_factory.h"
 #include "base/android/jni_string.h"
 #include "base/android/path_utils.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
@@ skipping 473 matching lines @@
                                        jboolean accept) {
   return CookieManager::GetInstance()->SetAcceptFileSchemeCookies(accept);
 }
 
 scoped_refptr<net::CookieStore> CreateCookieStore(
     AwBrowserContext* browser_context) {
   return CookieManager::GetInstance()->CreateBrowserThreadCookieStore(
       browser_context);
 }
 
-bool RegisterCookieManager(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
 }  // android_webview namespace