Add android download controller.

content/browser/android/content_jni_registrar.cc

 // Copyright (c) 2012 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/content_jni_registrar.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "content/browser/android/command_line.h"
+#include "content/browser/android/download_controller.h"
 #include "content/browser/android/trace_event_binding.h"
 
 namespace content {
 namespace android {
 
 base::android::RegistrationMethod kContentRegisteredMethods[] = {
   { "CommandLine", RegisterCommandLine },
+  { "DownloadController", DownloadController::RegisterDownloadController },
   { "TraceEvent", RegisterTraceEvent },
 };
 
 bool RegisterJni(JNIEnv* env) {
   return RegisterNativeMethods(env, kContentRegisteredMethods,
                                arraysize(kContentRegisteredMethods));
 }
 
 }  // namespace android
 }  // namespace content