Remove Android support for out-of-process KeyStores

net/android/android_private_key.cc

-// Copyright 2014 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 "net/android/android_private_key.h"
-
-#include <vector>
-#include "jni/AndroidPrivateKey_jni.h"
-
-namespace net {
-namespace android {
-
-base::android::ScopedJavaLocalRef<jobject> GetKeyStore(
-    jobject private_key_ref) {
-  JNIEnv* env = base::android::AttachCurrentThread();
-  return Java_AndroidPrivateKey_getKeyStore(
-              env, private_key_ref);
-}
-
-bool RegisterAndroidPrivateKey(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android
-}  // namespace net