Gets mandoline working on android

components/html_viewer/android/android_hooks.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 <vector>
-
-#include "base/android/base_jni_onload.h"
-#include "base/android/jni_android.h"
-#include "base/android/library_loader/library_loader_hooks.h"
-#include "base/bind.h"
-#include "components/html_viewer/jni/Main_jni.h"
-
-namespace {
-bool RegisterJNI(JNIEnv* env) {
-  return true;
-}
-
-bool Init() {
-  Java_Main_init(base::android::AttachCurrentThread(),
-                 base::android::GetApplicationContext());
-  return true;
-}
-}  // namespace
-
-// This is called by the VM when the shared library is first loaded.
-JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
-  std::vector<base::android::RegisterCallback> register_callbacks;
-  register_callbacks.push_back(base::Bind(&RegisterJNI));
-  register_callbacks.push_back(base::Bind(&RegisterNativesImpl));
-
-  std::vector<base::android::InitCallback> init_callbacks;
-  init_callbacks.push_back(base::Bind(&Init));
-
-  if (!base::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
-      !base::android::OnJNIOnLoadInit(init_callbacks)) {
-    return -1;
-  }
-
-  // There cannot be two AtExitManagers at the same time. Remove the one from
-  // LibraryLoader as ApplicationRunnerChromium also uses one.
-  base::android::LibraryLoaderExitHook();
-
-  return JNI_VERSION_1_4;
-}
-
-extern "C" JNI_EXPORT void InitApplicationContext(
-    const base::android::JavaRef<jobject>& context) {
-  JNIEnv* env = base::android::AttachCurrentThread();
-  base::android::InitApplicationContext(env, context);
-}