8337642: Remove unused APIs of GCPolicyCounters

Reviewed-by: tschatzl

Author: albertnetymk

src/hotspot/share/gc/parallel/gcAdaptivePolicyCounters.hpp

@@ -223,10 +223,6 @@ class GCAdaptivePolicyCounters : public GCPolicyCounters {
   }
 
   void set_size_policy(AdaptiveSizePolicy* v) { _size_policy = v; }
-
-  virtual GCPolicyCounters::Name kind() const {
-    return GCPolicyCounters::GCAdaptivePolicyCountersKind;
-  }
 };
 
 #endif // SHARE_GC_PARALLEL_GCADAPTIVEPOLICYCOUNTERS_HPP

src/hotspot/share/gc/parallel/psGCAdaptivePolicyCounters.hpp

@@ -180,10 +180,6 @@ class PSGCAdaptivePolicyCounters : public GCAdaptivePolicyCounters {
   // counter or from globals.  This is distinguished from counters
   // that are updated via input parameters.
   void update_counters();
-
-  virtual GCPolicyCounters::Name kind() const {
-    return GCPolicyCounters::PSGCAdaptivePolicyCountersKind;
-  }
 };
 
 #endif // SHARE_GC_PARALLEL_PSGCADAPTIVEPOLICYCOUNTERS_HPP

src/hotspot/share/gc/serial/defNewGeneration.cpp

@@ -833,7 +833,6 @@ void DefNewGeneration::gc_epilogue(bool full) {
   assert(!GCLocker::is_active(), "We should not be executing here");
   // update the generation and space performance counters
   update_counters();
-  SerialHeap::heap()->counters()->update_counters();
 }
 
 void DefNewGeneration::update_counters() {

src/hotspot/share/gc/shared/gcPolicyCounters.hpp

@@ -46,13 +46,6 @@ class GCPolicyCounters: public CHeapObj<mtGC> {
   const char* _name_space;
 
 public:
-  enum Name {
-    NONE,
-    GCPolicyCountersKind,
-    GCAdaptivePolicyCountersKind,
-    PSGCAdaptivePolicyCountersKind
-  };
-
   GCPolicyCounters(const char* name, int collectors, int generations);
 
   inline PerfVariable* tenuring_threshold() const  {
@@ -68,12 +61,6 @@ class GCPolicyCounters: public CHeapObj<mtGC> {
   }
 
   const char* name_space() const { return _name_space; }
-
-  virtual void update_counters() {}
-
-  virtual GCPolicyCounters::Name kind() const {
-    return GCPolicyCounters::GCPolicyCountersKind;
-  }
 };
 
 #endif // SHARE_GC_SHARED_GCPOLICYCOUNTERS_HPP