[snapshot] Emit code create event for lazy deserialized builtins.

Bug: v8:6986
Change-Id: I2fd6a7d2dfc229792c734e24eba4b797f19d8ca3
Reviewed-on: https://chromium-review.googlesource.com/734240Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48866}

src/log.h

@@ -254,6 +254,9 @@ class Logger : public CodeEventListener {
   // Callback from Log, stops profiling in case of insufficient resources.
   void LogFailure();
 
+  // Used for logging stubs found in the snapshot.
+  void LogCodeObject(Object* code_object);
+
  private:
   explicit Logger(Isolate* isolate);
   ~Logger();
@@ -270,9 +273,6 @@ class Logger : public CodeEventListener {
   void MoveEventInternal(CodeEventListener::LogEventsAndTags event,
                          Address from, Address to);
 
-  // Used for logging stubs found in the snapshot.
-  void LogCodeObject(Object* code_object);
-
   // Helper method. It resets name_buffer_ and add tag name into it.
   void InitNameBuffer(CodeEventListener::LogEventsAndTags tag);
 

src/snapshot/snapshot-common.cc

@@ -108,6 +108,10 @@ Code* Snapshot::DeserializeBuiltin(Isolate* isolate, int builtin_id) {
            Builtins::name(builtin_id), bytes, ms);
   }
 
+  if (isolate->logger()->is_logging_code_events() || isolate->is_profiling()) {
+    isolate->logger()->LogCodeObject(code);
+  }
+
   return code;
 }