[heap] Add GC accounting to slow allocation and incremental marking job

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index fc552629b6ca0695903380162876e38a611d7c99..2a7a16c52d6e2c64586ba415cac9c61c6f908d25 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -978,7 +978,7 @@ bool Heap::CollectGarbage(GarbageCollector collector,
                           const char* collector_reason,
                           const v8::GCCallbackFlags gc_callback_flags) {
   // The VM is in the GC state until exiting this function.
-  VMState<GC> state(isolate_);
+  VMState<GC> state(isolate());
   RuntimeCallTimerScope(isolate(), &RuntimeCallStats::GC);
 
 #ifdef DEBUG