[GC] Remove FLAG_incremental_marking_steps

src/heap/spaces.cc

Index: src/heap/spaces.cc
diff --git a/src/heap/spaces.cc b/src/heap/spaces.cc
index ba0ddb6e38f87d1ac4180061fca72865bb6c8719..ac0f4fe7cbc52713a982a0c6b0df32cb18cd3efa 100644
--- a/src/heap/spaces.cc
+++ b/src/heap/spaces.cc
@@ -2428,7 +2428,7 @@ HeapObject* FreeList::Allocate(int size_in_bytes) {
     DCHECK(owner_->top() == NULL && owner_->limit() == NULL);
   } else if (bytes_left > kThreshold &&
              owner_->heap()->incremental_marking()->IsMarkingIncomplete() &&
-             FLAG_incremental_marking_steps) {
+             FLAG_incremental_marking) {
     int linear_size = owner_->RoundSizeDownToObjectAlignment(kThreshold);
     // We don't want to give too large linear areas to the allocator while
     // incremental marking is going on, because we won't check again whether