Remove JNI onload callback vector construction in favour of direct calls.

mojo/android/javatests/init_library.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 "base/android/base_jni_onload.h"
 #include "base/android/base_jni_registrar.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
+#include "base/android/library_loader/library_loader_hooks.h"
 #include "base/bind.h"
 #include "mojo/android/javatests/mojo_test_case.h"
 #include "mojo/android/javatests/validation_test_util.h"
 #include "mojo/android/system/core_impl.h"
 #include "mojo/android/system/watcher_impl.h"
 #include "mojo/edk/embedder/embedder.h"
 
 namespace {
 
 base::android::RegistrationMethod kMojoRegisteredMethods[] = {
     {"CoreImpl", mojo::android::RegisterCoreImpl},
     {"MojoTestCase", mojo::android::RegisterMojoTestCase},
     {"ValidationTestUtil", mojo::android::RegisterValidationTestUtil},
     {"WatcherImpl", mojo::android::RegisterWatcherImpl},
 };
 
-bool RegisterJNI(JNIEnv* env) {
+bool RegisterJNI() {
+  JNIEnv* env = base::android::AttachCurrentThread();
   return base::android::RegisterJni(env) &&
-      RegisterNativeMethods(env, kMojoRegisteredMethods,
-                            arraysize(kMojoRegisteredMethods));
+         RegisterNativeMethods(env, kMojoRegisteredMethods,
+                               arraysize(kMojoRegisteredMethods));
 }
 
-bool Init() {
+bool NativeInit() {
+  if (!base::android::OnJNIOnLoadInit())
+    return false;
+
   mojo::edk::Init();
   return true;
 }
 
 }  // namespace
 
 JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
-  std::vector<base::android::RegisterCallback> register_callbacks;
-  register_callbacks.push_back(base::Bind(&RegisterJNI));
-  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))
+  if (!base::android::OnJNIOnLoadRegisterJNI(vm) || !RegisterJNI() ||
+      !NativeInit()) {
     return -1;
-
+  }
   return JNI_VERSION_1_4;
 }