607945 - Empty tooltip appears when mouse hover over toobarbutton or Minimize/Maximize/Close button

Status: RESOLVED WORKSFORME

(Firefox :: General, defect)

Description

[Alice0775 White]

Attachment: screenshot

Build Identifier: 
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b8pre) Gecko/20101027 Firefox/4.0b8pre ID:20101027063203


Empty tooltip appears when mouse hover over toobarbutton or Minimize/Maximize/Close button

Error in error console;
Error: tipElement is null
Source file: chrome://browser/content/browser.js
Line: 7738 (marked as >>)

   function FillInHTMLTooltip(tipElement)
   {
     var retVal = false;
     // Don't show the tooltip if the tooltip node is a XUL element or a document.
>>     if (tipElement.namespaceURI == "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" ||
         !tipElement.ownerDocument)
       return retVal;

Reproducible: Always

Steps to Reproduce:
1. Start Minefield with new profile
2. Open about:home or any other url
3. Drag & drop a link in contents area to Input field on contents area OR [+] (new tab button)
4. Mouse hover over toobarbutton or Minimize/Maximize/Close button

Actual Results:
  Empty tooltip appears

Expected Results:
  Valid tooltip should appear


This problem does not happens on the tryserver build (https://bugzilla.mozilla.org/show_bug.cgi?id=606192#c13 of Bug 606192 )
So, I think this depend on Bug 606192.

Comment 1

[Alice0775 White]

Works on
http://hg.mozilla.org/mozilla-central/rev/66b7220a7c35
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b8pre) Gecko/20101026 Firefox/4.0b8pre ID:20101028081508

This was fixed by Bug 606192.

I changed status to WORKSFORME.