RFR: 818269: Remove gcTrace.hpp include from referenceProcessor.hpp

[Thomas Schatzl]

Hi,

On Thu, 2017-06-22 at 10:46 +0200, Stefan Karlsson wrote:
> Hi all,
> 
> Please review this trivial change to remove an include of gcTrace.hpp
> in 
> referenceProcessor.hpp, and changes needed to get the code to
> compile 
> after that.
> 
> http://cr.openjdk.java.net/~stefank/8182696/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8182696

  ship it.

Thomas