RFR: 8265426: Update java.security to use instanceof pattern variable [v3]

[Patrick Concannon]

On Mon, 26 Apr 2021 18:14:21 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> Patrick Concannon has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8265426: Reverted parameter names; removed redundant parenthesis
>
> src/java.base/share/classes/java/security/CodeSource.java line 174:
> 
>> 172:         // certs must match
>> 173:         return matchCerts(other, true);
>> 174:     }
> 
> Can this (160-173) be collapsed to:
> 
> return (obj instanceof CodeSource cs) && Objects.equals(location, other.location) && matchCerts(cs, true)

Code refactored as suggested. See 9e9f9fb

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PR: https://git.openjdk.java.net/jdk/pull/3687