RFR: 8214144: Remove confusing locking_enqueue_completed_buffer

[Thomas Schatzl]

Hi,

On Tue, 2018-11-20 at 17:40 -0500, Kim Barrett wrote:
> Please review this trivial change to remove the confusingly named
> function PtrQueue::locking_enqueue_completed_buffer, inlining its
> simple definition at the single call site.  It used to be more
> complicated and "interesting", but was gutted by JDK-8182703.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8214144
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8214144/open.00/
> 
> Testing:
> Locally (linux-x64) built and ran hotspot_tier1 tests.
> 

  looks good. Seems trivial to me.

Thanks,
  Thomas