[heap] inline allocation steps refactor

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 75b7ec1fa698f824e2e82c57da0cb9947132b08f..c11b577c10b3a68d2e1467e7ebe12b1f9342f88d 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -4971,17 +4971,6 @@ void Heap::DisableInlineAllocation() {
 }
 
 
-void Heap::LowerInlineAllocationLimit(intptr_t step) {
-  new_space()->LowerInlineAllocationLimit(step);
-}
-
-
-void Heap::ResetInlineAllocationLimit() {
-  new_space()->LowerInlineAllocationLimit(
-      ScavengeJob::kBytesAllocatedBeforeNextIdleTask);
-}
-
-
 V8_DECLARE_ONCE(initialize_gc_once);
 
 static void InitializeGCOnce() {
@@ -5090,7 +5079,8 @@ bool Heap::SetUp() {
 
   mark_compact_collector()->SetUp();
 
-  ResetInlineAllocationLimit();
+  new_space()->SetIdleScavengeStep(
+      ScavengeJob::kBytesAllocatedBeforeNextIdleTask);
 
   return true;
 }