RFR: JDK-8294680: Refactor scaled border rendering [v3]

[Harshitha Onkar]

On Wed, 4 Jan 2023 19:33:01 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> Harshitha Onkar has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains ten commits:
>> 
>>  - minor changes
>>  - Merge branch 'master' into RefactorBorder_8294484
>>  - Merge branch 'master' into RefactorBorder_8294484
>>  - review changes
>>  - Refactoring changes
>>  - Merge branch 'master' into RefactorBorder_8294484
>>  - revert MetalBorder changes
>>  - merge master
>>  - refactoring changes - initial commit
>
> Changes requested by aivanov (Reviewer).

@aivanov-jdk Please review the updated changes.

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PR: https://git.openjdk.org/jdk/pull/11571