[snapshot] introduce SnapshotCreator API.

test/cctest/test-serialize.cc

Index: test/cctest/test-serialize.cc
diff --git a/test/cctest/test-serialize.cc b/test/cctest/test-serialize.cc
index 141ab616d6dd9a8db2020fd5a6e8a84023708b23..56cabfe7d628e4161da609327634f9f26928d1ef 100644
--- a/test/cctest/test-serialize.cc
+++ b/test/cctest/test-serialize.cc
@@ -93,7 +93,8 @@ static Vector<const byte> Serialize(v8::Isolate* isolate) {
   Isolate* internal_isolate = reinterpret_cast<Isolate*>(isolate);
   internal_isolate->heap()->CollectAllAvailableGarbage("serialize");
   SnapshotByteSink sink;
-  StartupSerializer ser(internal_isolate, &sink);
+  StartupSerializer ser(internal_isolate, &sink,
+                        v8::SnapshotCreator::FunctionCodeHandling::kClear);
   ser.SerializeStrongReferences();
   ser.SerializeWeakReferencesAndDeferred();
   SnapshotData snapshot_data(ser);
@@ -282,7 +283,9 @@ static void PartiallySerializeObject(Vector<const byte>* startup_blob_out,
     env.Reset();
 
     SnapshotByteSink startup_sink;
-    StartupSerializer startup_serializer(isolate, &startup_sink);
+    StartupSerializer startup_serializer(
+        isolate, &startup_sink,
+        v8::SnapshotCreator::FunctionCodeHandling::kClear);
     startup_serializer.SerializeStrongReferences();
 
     SnapshotByteSink partial_sink;
@@ -381,7 +384,9 @@ static void PartiallySerializeContext(Vector<const byte>* startup_blob_out,
     env.Reset();
 
     SnapshotByteSink startup_sink;
-    StartupSerializer startup_serializer(isolate, &startup_sink);
+    StartupSerializer startup_serializer(
+        isolate, &startup_sink,
+        v8::SnapshotCreator::FunctionCodeHandling::kClear);
     startup_serializer.SerializeStrongReferences();
 
     SnapshotByteSink partial_sink;
@@ -499,7 +504,9 @@ static void PartiallySerializeCustomContext(
     env.Reset();
 
     SnapshotByteSink startup_sink;
-    StartupSerializer startup_serializer(isolate, &startup_sink);
+    StartupSerializer startup_serializer(
+        isolate, &startup_sink,
+        v8::SnapshotCreator::FunctionCodeHandling::kClear);
     startup_serializer.SerializeStrongReferences();
 
     SnapshotByteSink partial_sink;