Run the later parts of startup as UI thread tasks

content/browser/browser_startup_configuration.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/browser_startup_configuration.h"
+
+#if defined(OS_ANDROID)
+#include "base/android/jni_android.h"
+#include "jni/BrowserStartupConfiguration_jni.h"
+#endif
+
+namespace content {
+
+bool BrowserMayStartAsynchronously() {
+#if defined(OS_ANDROID)
+  JNIEnv* env = base::android::AttachCurrentThread();
+  return Java_BrowserStartupConfiguration_browserMayStartAsynchonously(env);
+#else
+  return false;
+#endif
+}
+
+void BrowserStartupComplete(int result) {
+#if defined(OS_ANDROID)
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_BrowserStartupConfiguration_browserStartupComplete(env, result);
+#endif
+}
+
+#if defined(OS_ANDROID)
+bool RegisterBrowserStartupConfiguration(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+#endif
+}  // namespace content