Separate JNI registration with initialization

content/shell/android/shell_jni_onload_delegate.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/shell/android/shell_jni_onload_delegate.h"
+
+#include "content/public/app/content_main.h"
+#include "content/public/browser/android/compositor.h"
+#include "content/shell/android/shell_jni_registrar.h"
+#include "content/shell/app/shell_main_delegate.h"
+
+namespace content {
+namespace android {
+
+bool ShellJNIOnLoadDelegate::RegisterJNI(JNIEnv* env) {
+  return content::android::RegisterShellJni(env);
+}
+
+bool ShellJNIOnLoadDelegate::Init() {
+  content::Compositor::Initialize();
+  content::SetContentMainDelegate(new content::ShellMainDelegate());
+  return true;
+}
+
+}  // namespace android
+}  // namespace content