fix a problem that android cannot download files with basic authentication

chrome/browser/android/chrome_web_contents_delegate_android.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/android/chrome_web_contents_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "chrome/browser/file_select_helper.h"
@@ skipping 213 matching lines @@
 }
 
 content::JavaScriptDialogManager*
 ChromeWebContentsDelegateAndroid::GetJavaScriptDialogManager() {
   return GetJavaScriptDialogManagerInstance();
 }
 
 bool ChromeWebContentsDelegateAndroid::CanDownload(
     content::RenderViewHost* source,
     int request_id,
-    const std::string& request_method) {
-  if (request_method == net::HttpRequestHeaders::kGetMethod) {
+    const std::string& request_method,
+    bool has_auth) {
+  if (request_method == net::HttpRequestHeaders::kGetMethod && !has_auth) {
     content::DownloadControllerAndroid::Get()->CreateGETDownload(
         source, request_id);
     return false;
   }
   // DownloadControllerAndroid::OnPostDownloadStarted() is called for the
   // started download by the default DownloadUIController::Delegate
   // implementation.
   return true;
 }
 
@@ skipping 32 matching lines @@
         web_contents, url, plugin_path, callback);
     return true;
 #else
     return false;
 #endif
 }
 
 
 }  // namespace android
 }  // namespace chrome