Option-click to download should not display "Save As" UI.

chrome/browser/renderer_host/download_resource_handler.cc

 // Copyright (c) 2006-2008 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/renderer_host/download_resource_handler.h"
 
 #include "base/logging.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/download/download_file.h"
 #include "chrome/browser/download/download_manager.h"
@@ skipping 66 matching lines @@
   info->request_id = global_id_.request_id;
   info->content_disposition = content_disposition_;
   info->mime_type = response->response_head.mime_type;
 
   std::string content_type_header;
   if (!response->response_head.headers ||
       !response->response_head.headers->GetMimeType(&content_type_header))
     content_type_header = "";
   info->original_mime_type = content_type_header;
 
-  info->save_as = save_as_ && save_info_.file_path.empty();
+  info->prompt_user_for_save_location =
+      save_as_ && save_info_.file_path.empty();
   info->is_dangerous = false;
   info->referrer_charset = request_->context()->referrer_charset();
   info->save_info = save_info_;
   ChromeThread::PostTask(
       ChromeThread::FILE, FROM_HERE,
       NewRunnableMethod(
           download_manager_, &DownloadFileManager::StartDownload, info));
   return true;
 }
 
@@ skipping 102 matching lines @@
                        should_pause);
     is_paused_ = should_pause;
   }
 }
 
 void DownloadResourceHandler::StartPauseTimer() {
   if (!pause_timer_.IsRunning())
     pause_timer_.Start(base::TimeDelta::FromMilliseconds(kThrottleTimeMs), this,
                        &DownloadResourceHandler::CheckWriteProgress);
 }