Refactoring chrome JNI registration.

chrome/android/shell/chrome_shell_entry_point.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 "base/android/jni_android.h"
+#include "base/bind.h"
+#include "chrome/app/android/chrome_jni_onload.h"
+
+namespace {
+
+bool RegisterJNI(JNIEnv* env) {
+  return true;
+}
+
+bool Init() {
+  return true;
+}
+
+}  // namespace
+
+// This is called by the VM when the shared library is first loaded,
+// and used by chrome_shell and chrome_sync_shell.
+JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+  if (!chrome::android::OnJNIOnLoadRegisterJNI(vm, base::Bind(&RegisterJNI)) ||
+      !chrome::android::OnJNIOnLoadInit(base::Bind(&Init))) {
+    return -1;
+  }
+  return JNI_VERSION_1_4;
+}