[heap] inline allocation steps refactor

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index c3dd5d3625ee46d57f5fb0d8608fdaa44c9233d8..26b99219214fb29d17c39c9a9e5604a4d0d737af 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -1899,18 +1899,13 @@ class Heap {
                                        double mutator_speed);
 
   // ===========================================================================
-  // Inline allocation. ========================================================
-  // ===========================================================================
-
-  void LowerInlineAllocationLimit(intptr_t step);
-  void ResetInlineAllocationLimit();
-
-  // ===========================================================================
   // Idle notification. ========================================================
   // ===========================================================================
 
   bool RecentIdleNotificationHappened();
   void ScheduleIdleScavengeIfNeeded(int bytes_allocated);
+  static void ScheduleIdleScavengeIfNeededCallback(int bytes_allocated,
+                                                   void* arg);
 
   // ===========================================================================
   // Allocation methods. =======================================================