Separate JNI registration with initialization

content/shell/android/browsertests_apk/content_browser_tests_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 "base/android/jni_android.h"
+#include "base/android/jni_onload_delegate.h"
+#include "content/public/app/content_jni_onload.h"
+#include "content/public/app/content_main.h"
+#include "content/public/test/nested_message_pump_android.h"
+#include "content/shell/android/browsertests_apk/content_browser_tests_android.h"
+#include "content/shell/android/shell_jni_registrar.h"
+#include "content/shell/app/shell_main_delegate.h"
+
+namespace {
+
+class ContentBrowserTestsJNIOnLoadDelegate :

[jam, 2015/01/27 16:10:33]

nit: 80 chars

[michaelbai, 2015/01/27 20:13:50]

Will exceeds 80 chars if merge them into one line.

+      public base::android::JNIOnLoadDelegate {
+ public:
+  virtual bool RegisterJNI(JNIEnv* env) override;
+  virtual bool Init() override;
+};
+
+bool ContentBrowserTestsJNIOnLoadDelegate::RegisterJNI(JNIEnv* env) {
+  return content::android::RegisterShellJni(env) &&
+      content::NestedMessagePumpAndroid::RegisterJni(env) &&
+      content::RegisterContentBrowserTestsAndroid(env);
+}
+
+bool ContentBrowserTestsJNIOnLoadDelegate::Init() {
+  content::SetContentMainDelegate(new content::ShellMainDelegate());
+  return true;
+}
+
+}  // namespace
+
+
+// This is called by the VM when the shared library is first loaded.
+JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+  ContentBrowserTestsJNIOnLoadDelegate delegate;
+  if (!content::android::OnJNIOnLoad(vm, &delegate))
+    return -1;
+
+  return JNI_VERSION_1_4;
+}