Fix Heap::ComputeHeapState after 057514 and 6256dc.

src/heap/gc-idle-time-handler.h

Index: src/heap/gc-idle-time-handler.h
diff --git a/src/heap/gc-idle-time-handler.h b/src/heap/gc-idle-time-handler.h
index 36acdd8531f1a177254c08ef6102d320db5d6cc5..74ef1b1e8778de3ff46368aa808e36787b61e019 100644
--- a/src/heap/gc-idle-time-handler.h
+++ b/src/heap/gc-idle-time-handler.h
@@ -63,12 +63,6 @@ class GCIdleTimeHeapState {
   double contexts_disposal_rate;
   size_t size_of_objects;
   bool incremental_marking_stopped;
-  bool sweeping_in_progress;
-  bool sweeping_completed;
-  bool has_low_allocation_rate;
-  size_t mark_compact_speed_in_bytes_per_ms;
-  size_t incremental_marking_speed_in_bytes_per_ms;
-  size_t final_incremental_mark_compact_speed_in_bytes_per_ms;
 };