fix a problem that android cannot download files with basic authentication

chrome/browser/ui/views/external_tab_container_win.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 "chrome/browser/ui/views/external_tab_container_win.h"
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlconv.h>
 #include <atlmisc.h>
@@ skipping 648 matching lines @@
   if (automation_) {
     automation_->Send(new AutomationMsg_TabbedOut(tab_handle_,
         base::win::IsShiftPressed()));
   }
 
   return true;
 }
 
 bool ExternalTabContainerWin::CanDownload(RenderViewHost* render_view_host,
                                           int request_id,
+                                          bool has_auth,
                                           const std::string& request_method) {
   if (load_requests_via_automation_) {
     if (automation_) {
       // In case the host needs to show UI that needs to take the focus.
       ::AllowSetForegroundWindow(ASFW_ANY);
 
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           base::Bind(
              base::IgnoreResult(
@@ skipping 618 matching lines @@
   if (params.disposition == CURRENT_TAB) {
     DCHECK(route_all_top_level_navigations_);
     forward_params.disposition = NEW_FOREGROUND_TAB;
   }
   WebContents* new_contents =
       ExternalTabContainerWin::OpenURLFromTab(source, forward_params);
   // support only one navigation for a dummy tab before it is killed.
   widget_->CloseNow();
   return new_contents;
 }