RFR: 6753661: JFileChooser font not reset after Look & Feel change [v3]

[Sergey Bylokhov]

On Mon, 6 Feb 2023 08:46:24 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> Issue is observed that after changing the Look & Feel from Metal to Nimbus and back to Metal, the Nimbus font continues to be used by a JFileChooser.
>> This is because Synth  `installDefaults `methods set the font, but its inverse methods `uninstallDefaults `do not remove them.
>> Fix is made to reset the font if it is set by L&F.
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Test other L&F uninstallDefault

test/jdk/javax/swing/JFileChooser/JFileChooserFontReset.java line 76:

> 74: 	    System.out.println("");
> 75: 	    System.out.println("");
> 76:         }

This looks fine, but please fix that "Whitespace error" above.

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PR: https://git.openjdk.org/jdk/pull/12180