G1: Use SoftMaxHeapSize to guide GC heuristics

@@ -157,11 +157,11 @@
   _cur_string_deduplication_time_ms = 0.0;
   _cur_prepare_tlab_time_ms = 0.0;
   _cur_resize_tlab_time_ms = 0.0;
   _cur_derived_pointer_table_update_time_ms = 0.0;
   _cur_clear_ct_time_ms = 0.0;
-  _cur_expand_heap_time_ms = 0.0;
+  _cur_resize_heap_time_ms = 0.0;
   _cur_ref_proc_time_ms = 0.0;
   _cur_collection_start_sec = 0.0;
   _root_region_scan_wait_time_ms = 0.0;
   _external_accounted_time_ms = 0.0;
   _recorded_prepare_heap_roots_time_ms = 0.0;

@@ -464,11 +464,11 @@
                         _cur_strong_code_root_purge_time_ms +
                         _recorded_redirty_logged_cards_time_ms +
                         _recorded_total_free_cset_time_ms +
                         _recorded_total_rebuild_freelist_time_ms +
                         _cur_fast_reclaim_humongous_time_ms +
-                        _cur_expand_heap_time_ms +
+                        _cur_resize_heap_time_ms +
                         _cur_string_deduplication_time_ms;
 
   info_time("Post Evacuate Collection Set", sum_ms);
 
   debug_time("Code Roots Fixup", _cur_collection_code_root_fixup_time_ms);

@@ -516,11 +516,11 @@
   }
   debug_time("Start New Collection Set", _recorded_start_new_cset_time_ms);
   if (UseTLAB && ResizeTLAB) {
     debug_time("Resize TLABs", _cur_resize_tlab_time_ms);
   }
-  debug_time("Expand Heap After Collection", _cur_expand_heap_time_ms);
+  debug_time("Resize Heap After Collection", _cur_resize_heap_time_ms);
 
 
   return sum_ms;
 }