Rename kMaxFrameRenderingIdleTime to kMaxActiveIdleTime and adjust it to the currently maximum valu…

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 66f98ced9816c26714e874e22b99d0232c87c53b..fd17774de2294df78cf5ea1e73a952b9fa3d6813 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -4678,7 +4678,7 @@ bool Heap::IdleNotification(double deadline_in_seconds) {
 
 bool Heap::RecentIdleNotificationHappened() {
   return (last_idle_notification_time_ +
-          GCIdleTimeHandler::kMaxFrameRenderingIdleTime) >
+          GCIdleTimeHandler::kMaxScheduledIdleTime) >
          MonotonicallyIncreasingTimeInMs();
 }