RFR: 7131166: SynthListUI / SynthInternalFrameTitlePane updateStyle() ignores method argument

[Prasanta Sadhukhan]

On Mon, 23 Jan 2023 06:01:42 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> It seems true that the code expects to always read the styles from the protected field, and that intention seems to be the opposite of what we do in the current change, no?

Also, it is done same for all other SYnth classes as I told earlier too.
For example, in SynthTable, it calls `updateStyle((JTable)event.getSource());` whereas in updateStyle() we use 
`SynthContext context = getContext(c, ENABLED);` even though we have protected field `protected JTable table;` in BasicTableUI being used in updateStyle() in SynthTableUI

so I think it was mistakenly done and it is remedied in current fix, otherwise we need to do SynthListUI changes to use protected field in other Synth classes too, but since the other way around is in majority, I think this is what should be done for consistency..

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PR: https://git.openjdk.org/jdk/pull/11875