Fix Starting the feedback app.

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 FEEDBACK_LANDING_PAGE =
     'https://support.google.com/chrome/go/feedback_confirmation';
 /** @type {number}
@@ skipping 241 matching lines @@
       feedbackInfo.systemInformation.concat(sysInfo);
   } else {
     feedbackInfo.systemInformation = sysInfo;
   }
 
   // In case the sys_info_page needs to be notified by this event, do so.
   if (sysInfoPageOnSysInfoReadyCallback != null) {
     sysInfoPageOnSysInfoReadyCallback(feedbackInfo.systemInformation);
     sysInfoPageOnSysInfoReadyCallback = null;
   }
-
-  setOnSystemInfoReadyCallback(null);
 }
 
 /**
  * Initializes our page.
  * Flow:
  * .) DOMContent Loaded        -> . Request feedbackInfo object
  *                                . Setup page event handlers
  * .) Feedback Object Received -> . take screenshot
  *                                . request email
  *                                . request System info
@@ skipping 21 matching lines @@
         $('screenshot-image').src = screenshotDataUrl;
         $('screenshot-image').classList.toggle('wide-screen',
             $('screenshot-image').width > MAX_SCREENSHOT_WIDTH);
         feedbackInfo.screenshot = dataUrlToBlob(screenshotDataUrl);
       });
 
       chrome.feedbackPrivate.getUserEmail(function(email) {
         $('user-email-text').value = email;
       });
 
-      // Prepare the full system information if available or do this later once
-      // it becomes available.
-      if (isSystemInfoReady())
-        onSystemInformation(getSystemInformation());
-      else
-        setOnSystemInfoReadyCallback(onSystemInformation);
+      // Initiate getting the system info and use it to prepare the full
+      // feedback info.
+      getSystemInformation(onSystemInformation);
 
       // An extension called us with an attached file.
       if (feedbackInfo.attachedFile) {
         $('attached-filename-text').textContent =
             feedbackInfo.attachedFile.name;
         attachedFileBlob = feedbackInfo.attachedFile.data;
         $('custom-file-container').hidden = false;
         $('attach-file').hidden = true;
       }
 
@@ skipping 69 matching lines @@
     $('cancel-button').onclick = cancel;
     $('remove-attached-file').onclick = clearAttachedFile;
 <if expr="chromeos">
     $('performance-info-checkbox').addEventListener(
         'change', performanceFeedbackChanged);
 </if>
   });
 }
 
 initialize();