Add support for multiple asynchronous browser startups.

content/browser/android/browser_startup_config.cc

-// Copyright 2013 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/browser/android/browser_startup_config.h"
-
-#include "base/android/jni_android.h"
-#include "jni/BrowserStartupConfig_jni.h"
-
-namespace content {
-
-bool BrowserMayStartAsynchronously() {
-  JNIEnv* env = base::android::AttachCurrentThread();
-  return Java_BrowserStartupConfig_browserMayStartAsynchonously(env);
-}
-
-void BrowserStartupComplete(int result) {
-  JNIEnv* env = base::android::AttachCurrentThread();
-  Java_BrowserStartupConfig_browserStartupComplete(env, result);
-}
-
-bool RegisterBrowserStartupConfig(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-}  // namespace content