Reset trunk to 3.24.35.4

src/mark-compact.h

Index: src/mark-compact.h
diff --git a/src/mark-compact.h b/src/mark-compact.h
index c966e2018e0e0c9b8ba87b02604dd91510e63b23..0773d0266683eb712f101a8f1bb026f3ca8d838a 100644
--- a/src/mark-compact.h
+++ b/src/mark-compact.h
@@ -744,8 +744,6 @@ class MarkCompactCollector {
   void MarkAllocationSite(AllocationSite* site);
 
  private:
-  class SweeperTask;
-
   explicit MarkCompactCollector(Heap* heap);
   ~MarkCompactCollector();
 
@@ -793,8 +791,6 @@ class MarkCompactCollector {
   // True if concurrent or parallel sweeping is currently in progress.
   bool sweeping_pending_;
 
-  Semaphore pending_sweeper_jobs_semaphore_;
-
   bool sequential_sweeping_;
 
   // A pointer to the current stack-allocated GC tracer object during a full
@@ -944,12 +940,6 @@ class MarkCompactCollector {
 
   void SweepSpace(PagedSpace* space, SweeperType sweeper);
 
-  // Finalizes the parallel sweeping phase. Marks all the pages that were
-  // swept in parallel.
-  void ParallelSweepSpacesComplete();
-
-  void ParallelSweepSpaceComplete(PagedSpace* space);
-
 #ifdef DEBUG
   friend class MarkObjectVisitor;
   static void VisitObject(HeapObject* obj);