[heap] Remove unused parameter from TransferColor

BUG=

Change-Id: Icfc5412316279bed6cc95107303fbee6be66ebb4
Reviewed-on: https://chromium-review.googlesource.com/452618Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43715}

src/heap/incremental-marking.h

@@ -185,8 +185,7 @@ class V8_EXPORT_PRIVATE IncrementalMarking {
 
   static void TransferMark(Heap* heap, HeapObject* from, HeapObject* to);
 
-  INLINE(static void TransferColor(HeapObject* from, HeapObject* to,
-                                   int size)) {
+  V8_INLINE static void TransferColor(HeapObject* from, HeapObject* to) {
     if (ObjectMarking::IsBlack(to)) {
       DCHECK(to->GetHeap()->incremental_marking()->black_allocation());
       return;

src/heap/scavenger.cc

@@ -147,7 +147,7 @@ class ScavengingVisitor : public StaticVisitorBase {
     }
 
     if (marks_handling == TRANSFER_MARKS) {
-      IncrementalMarking::TransferColor(source, target, size);
+      IncrementalMarking::TransferColor(source, target);
     }
   }