Merge V8 5.2.361.47  DO NOT MERGE

https://chromium.googlesource.com/v8/v8/+/5.2.361.47

FPIIM-449

Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/src/d8.h b/src/d8.h
index 321d9c1..e51e8ee 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -461,6 +461,7 @@
   static i::List<Worker*> workers_;
   static i::List<SharedArrayBuffer::Contents> externalized_shared_contents_;
 
+  static void WriteIgnitionDispatchCountersFile(v8::Isolate* isolate);
   static Counter* GetCounter(const char* name, bool is_histogram);
   static Local<String> Stringify(Isolate* isolate, Local<Value> value);
 #endif  // !V8_SHARED