Fix a bug of black area on window close

chrome/browser/resources/feedback/js/feedback.js

 // Copyright 2013 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.
 
 /**
  * @type {string}
  * @const
  */
 var SRT_DOWNLOAD_PAGE = 'https://www.google.com/chrome/cleanup-tool/';
 
@@ skipping 183 matching lines @@
     // that value since the API uses an integer value, and a conflict in data
     // types will cause the report to fail to be sent.
     productId = null;
   }
   feedbackInfo.productId = productId;
 
   // Request sending the report, show the landing page (if allowed), and close
   // this window right away. The FeedbackRequest object that represents this
   // report will take care of sending the report in the background.
   sendFeedbackReport(useSystemInfo);
-  window.close();
+  setTimeout(function() { window.close();}, 100);

[afakhry, 2017/04/18 19:07:25]

code repetition is not ok. Please create a function, say, scheduleWindowClose()
that you call from all those places.

[weidongg, 2017/04/18 19:28:55]

Done.

   return true;
 }
 
 /**
  * Click listener for the cancel button.
  * @param {Event} e The click event being handled.
  */
 function cancel(e) {
   e.preventDefault();
-  window.close();
+  setTimeout(function() {window.close();}, 100);
 }
 
 /**
  * Converts a blob data URL to a blob object.
  * @param {string} url The data URL to convert.
  * @return {Blob} Blob object containing the data.
  */
 function dataUrlToBlob(url) {
   var mimeString = url.split(',')[0].split(':')[1].split(';')[0];
   var data = atob(url.split(',')[1]);
@@ skipping 80 matching lines @@
         $('srt-decline-button').onclick = function() {
           isShowingSrtPrompt = false;
           chrome.feedbackPrivate.logSrtPromptResult(SrtPromptResult.DECLINED);
           $('srt-prompt').hidden = true;
           $('content-pane').hidden = false;
         };
 
         $('srt-accept-button').onclick = function() {
           chrome.feedbackPrivate.logSrtPromptResult(SrtPromptResult.ACCEPTED);
           window.open(SRT_DOWNLOAD_PAGE, '_blank');
-          window.close();
+          setTimeout(function() { window.close();}, 100);
         };
 
         $('close-button').addEventListener('click', function() {
           if (isShowingSrtPrompt) {
             chrome.feedbackPrivate.logSrtPromptResult(SrtPromptResult.CLOSED);
           }
         });
       } else {
         $('srt-prompt').hidden = true;
       }
@@ skipping 121 matching lines @@
     $('cancel-button').onclick = cancel;
     $('remove-attached-file').onclick = clearAttachedFile;
 // <if expr="chromeos">
     $('performance-info-checkbox').addEventListener(
         'change', performanceFeedbackChanged);
 // </if>
   });
 }
 
 initialize();