Separate JNI registration with initialization

base/android/base_jni_onload.h

+// 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.
+
+#ifndef BASE_ANDROID_BASE_JNI_ONLOAD_H_
+#define BASE_ANDROID_BASE_JNI_ONLOAD_H_
+
+#include <jni.h>
+#include <vector>
+
+#include "base/base_export.h"
+
+namespace base {
+namespace android {
+
+class JNIOnLoadDelegate;
+
+// Returns whether JNI registration and initialization succeeded. Caller shall
+// put the JNIOnLoadDelegate into |delegates| in reverse order. Refer
+// JNIOnLoadDelegate for more information.
+BASE_EXPORT bool OnJNIOnLoad(JavaVM* vm,
+                             std::vector<JNIOnLoadDelegate*>* delegates);
+
+}  // namespace android
+}  // namespace base
+
+#endif  // BASE_ANDROID_BASE_JNI_ONLOAD_H_