RFR JDK-8081452: Move sun.nio.cs.AbstractCharsetProvider into jdk.charset/sun.nio.cs.ext

[Xueming Shen]

On 05/29/2015 09:28 AM, Mandy Chung wrote:
> On 05/29/2015 12:20 AM, Xueming Shen wrote:
>> It was originally written to be the base class for both std and ext charsets providers... maybe it should
>> just be merged into the ExtendedCharsets class later separately.
>>
>
> Perhaps better to merge it now rather than separately?
>

But if it is decided later that we may want to have a separate ext charsets provider2, for example to split most of the ibm charsets to a separate provider, it might be desired to keep it as a base class ...