Android: Remove unneeded RegisterNatives() calls

net/android/keystore.h

 // Copyright (c) 2013 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.
 
 #ifndef NET_ANDROID_KEYSTORE_H
 #define NET_ANDROID_KEYSTORE_H
 
 #include <jni.h>
 #include <stdint.h>
 
@@ skipping 83 matching lines @@
 AndroidEVP_PKEY* GetOpenSSLSystemHandleForPrivateKey(jobject private_key);
 
 // Returns a JNI reference to the OpenSSLEngine object which is used to back a
 // given private_key object. This must *only* be used for RSA private keys on
 // Android < 4.2. Technically, this is only guaranteed to work if the system
 // image contains a vanilla implementation of the Java API frameworks based on
 // Harmony + OpenSSL.
 base::android::ScopedJavaLocalRef<jobject> GetOpenSSLEngineForPrivateKey(
     jobject private_key);
 
-// Register JNI methods
-NET_EXPORT bool RegisterKeyStore(JNIEnv* env);
-
 }  // namespace android
 }  // namespace net
 
 #endif  // NET_ANDROID_KEYSTORE_H