[heap] Simplify adjusting of live bytes.

src/heap/mark-compact-inl.h

Index: src/heap/mark-compact-inl.h
diff --git a/src/heap/mark-compact-inl.h b/src/heap/mark-compact-inl.h
index 784a76f8bd30b391ff26e163ef8a6736d1b9b401..454974f4e76f4adb14efb3473fe3c013449196e6 100644
--- a/src/heap/mark-compact-inl.h
+++ b/src/heap/mark-compact-inl.h
@@ -15,7 +15,7 @@ namespace internal {
 void MarkCompactCollector::PushBlack(HeapObject* obj) {
   DCHECK(Marking::IsBlack(ObjectMarking::MarkBitFrom(obj)));
   if (marking_deque()->Push(obj)) {
-    MemoryChunk::IncrementLiveBytesFromGC(obj, obj->Size());
+    MemoryChunk::IncrementLiveBytes(obj, obj->Size());
   } else {
     MarkBit mark_bit = ObjectMarking::MarkBitFrom(obj);
     Marking::BlackToGrey(mark_bit);
@@ -26,7 +26,7 @@ void MarkCompactCollector::PushBlack(HeapObject* obj) {
 void MarkCompactCollector::UnshiftBlack(HeapObject* obj) {
   DCHECK(Marking::IsBlack(ObjectMarking::MarkBitFrom(obj)));
   if (!marking_deque()->Unshift(obj)) {
-    MemoryChunk::IncrementLiveBytesFromGC(obj, -obj->Size());
+    MemoryChunk::IncrementLiveBytes(obj, -obj->Size());
     MarkBit mark_bit = ObjectMarking::MarkBitFrom(obj);
     Marking::BlackToGrey(mark_bit);
   }
@@ -47,7 +47,7 @@ void MarkCompactCollector::SetMark(HeapObject* obj, MarkBit mark_bit) {
   DCHECK(Marking::IsWhite(mark_bit));
   DCHECK(ObjectMarking::MarkBitFrom(obj) == mark_bit);
   Marking::WhiteToBlack(mark_bit);
-  MemoryChunk::IncrementLiveBytesFromGC(obj, obj->Size());
+  MemoryChunk::IncrementLiveBytes(obj, obj->Size());
 }