Missing "X" button on Ext.Window in Firefox

Ext version tested:

• Ext 4.1.1

Browser versions tested against:

• Firefox
• IE10

Description:

• The "X" button on the Ext.window component is missing when viewing in Firefox or Internet Explorer 10.

Steps to reproduce the problem:

• Create an Ext.Window component and view it in Firefox or IE 10.

The result that was expected:

• The "X" button should appear.

The result that occurs instead:

• Missing "X" button.

HELPFUL INFORMATION

Possible fix:

• Remove the if(Ext.isWebKit) conditional statement in various extjs files such as "ext-all-debug-w-comments.js", "ext-all-dev.js", ect)

Example:
// if (Ext.isWebKit) {
this.targetEl.setWidth(ownerContext.innerCtContext.props.width);
// }


Operating System:

• Windows 8

I see it in Firefox using 4.1.1:

Attachment 40663