remove DownloadController::SetDefaultDownloadFileName()

chrome/browser/android/download/download_manager_service.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 "chrome/browser/android/download/download_manager_service.h"
 
 #include "base/android/jni_string.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 93 matching lines @@
     : is_history_query_complete_(false),
       pending_get_downloads_actions_(NONE) {
 }
 
 DownloadManagerService::~DownloadManagerService() {}
 
 void DownloadManagerService::Init(
     JNIEnv* env,
     jobject obj) {
   java_ref_.Reset(env, obj);
-  DownloadControllerBase::Get()->SetDefaultDownloadFileName(
-      l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME));
 }
 
 void DownloadManagerService::ResumeDownload(
     JNIEnv* env,
     jobject obj,
     const JavaParamRef<jstring>& jdownload_guid,
     bool is_off_the_record) {
   std::string download_guid = ConvertJavaStringToUTF8(env, jdownload_guid);
   if (is_history_query_complete_ || is_off_the_record)
     ResumeDownloadInternal(download_guid, is_off_the_record);
@@ skipping 310 matching lines @@
   content::DownloadManager* manager =
       content::BrowserContext::GetDownloadManager(profile);
 
   // Update notifiers to monitor any newly created DownloadManagers.
   updateNotifier(
       this, manager,
       is_off_the_record ? off_the_record_notifier_ : original_notifier_);
 
   return manager;
 }