[heap] Remove Marking::AnyToGrey and change its callers to use simple marking functions.

src/heap/mark-compact.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_MARK_COMPACT_H_
 #define V8_HEAP_MARK_COMPACT_H_
 
 #include <deque>
 
 #include "src/base/bits.h"
@@ skipping 103 matching lines @@
   }
 
   template <MarkingMode mode = MarkingMode::FULL>
   V8_INLINE static void GreyToBlack(HeapObject* obj) {
     DCHECK(IsGrey<mode>(obj));
     MarkBit markbit = MarkBitFrom<mode>(obj);
     Marking::GreyToBlack(markbit);
     MemoryChunk::IncrementLiveBytes<mode>(obj, obj->Size());
   }
 
-  template <MarkingMode mode = MarkingMode::FULL>
-  V8_INLINE static void AnyToGrey(HeapObject* obj) {
-    MarkBit markbit = MarkBitFrom<mode>(obj);
-    if (Marking::IsBlack(markbit)) {
-      MemoryChunk::IncrementLiveBytes<mode>(obj, -obj->Size());
-    }
-    Marking::AnyToGrey(markbit);
-  }
-
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ObjectMarking);
 };
 
 // ----------------------------------------------------------------------------
 // Marking deque for tracing live objects.
 class MarkingDeque {
  public:
   explicit MarkingDeque(Heap* heap)
       : backing_store_(nullptr),
@@ skipping 715 matching lines @@
 
  private:
   MarkCompactCollector* collector_;
 };
 
 V8_EXPORT_PRIVATE const char* AllocationSpaceName(AllocationSpace space);
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_MARK_COMPACT_H_