Clicking to the 'close tab' icon sometimes closes two tabs

[Daniel]

Steps to Reproduce:
 * Make sure the close tab button is on the right side of the browser window (about:config: browser.tabs.closeButtons = 3)
 * Open a lot of tabs (empty tabs by pressing Ctrl+T many times is enough)
 * Press the mouse button to the 'X' icon and hold it
  -> one tab closes
  -> sometimes even more tabs close at this time. It feels like holding Ctrl+W on the keyboard but I'm only using the mouse. *
 * Release the mouse button (not too fast after pressing it)
  -> another tab closes

Solution:
The close action should be executed only once, either when pressing or by releasing the button.

*) I have no clue about the behavior that multiple tabs close when just holding the button. It remembers to Bug 683159 but that one seems to be explicitly for TouchPad users.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 13.0.1+build1-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
Uname: Linux 3.2.0-26-generic x86_64
ApportVersion: 2.0.1-0ubuntu10
Architecture: amd64
BuildID: 20120615112143
Date: Sun Jul 1 13:44:28 2012
SourcePackage: firefox
UpgradeStatus: Upgraded to precise on 2012-05-05 (56 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Paul White (paulw2u)]

Daniel,

We are sorry that we do not always have the capacity to review all reported bugs in a timely manner. You reported this bug some time ago and there have been many changes in Ubuntu and Firefox since that time.

Do you still see a problem related to the one that you reported? Please let us know if you do.

If we do not hear from you this bug report will close in approximately 60 days time.

Thank you for helping make Ubuntu better.

Paul White
[Ubuntu Bug Squad]

[Launchpad Janitor (janitor)]

[Expired for firefox (Ubuntu) because there has been no activity for 60 days.]