RFR: 8258979: The image didn't show correctly with GTK LAF [v3]

[Abhishek Kumar]

On Wed, 10 Jan 2024 08:55:19 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> Should I merge the two classes into one class like instead of separate `ExpandedIconWrapper` and `CollapsedIconWrapper`, only one `IconWrapper` class?
>
> guess you could since they are all private..

Merged `ExpandedIconWrapper` and `CollapsedIconWrapper` class to `IconWrapper ` class.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17294#discussion_r1447202641