[serializer] change internal field callbacks to take data pointer.

src/snapshot/deserializer.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/snapshot/deserializer.h"
 
 #include "src/bootstrapper.h"
 #include "src/external-reference-table.h"
 #include "src/heap/heap.h"
 #include "src/isolate.h"
@@ skipping 203 matching lines @@
     }
   }
 }
 
 void Deserializer::DeserializeInternalFields(
     v8::DeserializeInternalFieldsCallback internal_fields_deserializer) {
   if (!source_.HasMore() || source_.Get() != kInternalFieldsData) return;
   DisallowHeapAllocation no_gc;
   DisallowJavascriptExecution no_js(isolate_);
   DisallowCompilation no_compile(isolate_);
-  DCHECK_NOT_NULL(internal_fields_deserializer);
+  DCHECK_NOT_NULL(internal_fields_deserializer.callback);
   for (int code = source_.Get(); code != kSynchronize; code = source_.Get()) {
     HandleScope scope(isolate_);
     int space = code & kSpaceMask;
     DCHECK(space <= kNumberOfSpaces);
     DCHECK(code - space == kNewObject);
     Handle<JSObject> obj(JSObject::cast(GetBackReferencedObject(space)),
                          isolate_);
     int index = source_.GetInt();
     int size = source_.GetInt();
     byte* data = new byte[size];
     source_.CopyRaw(data, size);
-    internal_fields_deserializer(v8::Utils::ToLocal(obj), index,
-                                 {reinterpret_cast<char*>(data), size});
+    internal_fields_deserializer.callback(v8::Utils::ToLocal(obj), index,
+                                          {reinterpret_cast<char*>(data), size},
+                                          internal_fields_deserializer.data);
     delete[] data;
   }
 }
 
 // Used to insert a deserialized internalized string into the string table.
 class StringTableInsertionKey : public HashTableKey {
  public:
   explicit StringTableInsertionKey(String* string)
       : string_(string), hash_(HashForObject(string)) {
     DCHECK(string->IsInternalizedString());
@@ skipping 608 matching lines @@
 
       default:
         CHECK(false);
     }
   }
   CHECK_EQ(limit, current);
   return true;
 }
 }  // namespace internal
 }  // namespace v8