Separate JNI registration with initialization

content/app/android/content_jni_onload.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 "content/public/app/content_jni_onload.h"
+
+#include <vector>
+
+#include "base/android/base_jni_onload.h"
+#include "base/android/jni_onload_delegate.h"
+#include "base/android/library_loader/library_loader_hooks.h"
+#include "content/public/app/android_library_loader_hooks.h"
+#include "content/public/app/content_main.h"
+
+namespace content {
+namespace android {
+
+namespace {
+
+class ContentJNIOnLoadDelegate
+    : public base::android::JNIOnLoadDelegate {
+ public:
+  bool RegisterJNI(JNIEnv* env) override;
+  bool Init() override;
+};
+
+bool ContentJNIOnLoadDelegate::RegisterJNI(JNIEnv* env) {
+  // TODO(michaelbai): Remove the EnsureJniRegistered from
+  // content::LibraryLoaded and move android_library_loader_hooks.h to
+  // content/app/android/.
+  return content::EnsureJniRegistered(env);
+}
+
+bool ContentJNIOnLoadDelegate::Init() {
+  base::android::SetLibraryLoadedHook(&content::LibraryLoaded);
+  return true;
+}
+
+}  // namespace
+
+
+bool OnJNIOnLoad(JavaVM* vm,
+                 base::android::JNIOnLoadDelegate* delegate) {
+  std::vector<base::android::JNIOnLoadDelegate*> delegates;
+  ContentJNIOnLoadDelegate content_delegate;
+  delegates.push_back(delegate);
+  delegates.push_back(&content_delegate);
+  return base::android::OnJNIOnLoad(vm, &delegates);
+}
+
+}  // namespace android
+}  // namespace content