Refactoring chromoting_jni_onload.cc

remoting/client/jni/chromoting_jni_onload.cc

 // Copyright 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.
 
+#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/jni_utils.h"
 #include "net/android/net_jni_registrar.h"
 #include "remoting/client/jni/chromoting_jni_runtime.h"
 #include "ui/gfx/android/gfx_jni_registrar.h"
 
-extern "C" {
+namespace {
+
+base::android::RegistrationMethod kRemotingRegisteredMethods[] = {
+  {"base", base::android::RegisterJni},
+  {"gfx", gfx::android::RegisterJni},
+  {"net", net::android::RegisterJni},
+  {"remoting", remoting::RegisterJni},
+};
+
+bool RegisterJNI(JNIEnv* env) {
+  return base::android::RegisterNativeMethods(env,
+      kRemotingRegisteredMethods, arraysize(kRemotingRegisteredMethods));
+}
+
+}  // namespace
 
 JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
-  base::android::InitVM(vm);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  static base::android::RegistrationMethod kRemotingRegisteredMethods[] = {
-      {"base", base::android::RegisterJni},
-      {"gfx", gfx::android::RegisterJni},
-      {"net", net::android::RegisterJni},
-      {"remoting", remoting::RegisterJni},
-  };
-  if (!base::android::RegisterNativeMethods(
-      env, kRemotingRegisteredMethods, arraysize(kRemotingRegisteredMethods))) {
+  std::vector<base::android::RegisterCallback> register_callbacks;
+  register_callbacks.push_back(base::Bind(&RegisterJNI));
+  std::vector<base::android::InitCallback> init_callbacks;
+  if (!base::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
+      !base::android::OnJNIOnLoadInit(init_callbacks)) {
     return -1;
   }
-
-  base::android::InitReplacementClassLoader(env,
-                                            base::android::GetClassLoader(env));
-
   return JNI_VERSION_1_4;
 }
-
-}  // extern "C"