Support old and new weak handle API

src/api.cc

 // Copyright 2012 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/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 416 matching lines @@
   return result.location();
 }
 
 
 void V8::MakeWeak(i::Object** object, void* parameter,
                   WeakCallback weak_callback) {
   i::GlobalHandles::MakeWeak(object, parameter, weak_callback);
 }
 
 
-void V8::MakePhantom(
-    i::Object** object, void* parameter, int internal_field_index1,
-    int internal_field_index2,
-    PhantomCallbackData<void, void, void>::Callback weak_callback) {
+void V8::MakePhantom(i::Object** object, void* parameter,
+                     int internal_field_index1, int internal_field_index2,
+                     PhantomCallbackData<void>::Callback weak_callback) {
   if (internal_field_index1 == 0) {
     if (internal_field_index2 == 1) {
       i::GlobalHandles::MakePhantom(object, parameter, 2, weak_callback);
     } else {
-      DCHECK_EQ(internal_field_index2, Object::kNoInternalFieldIndex);
+      DCHECK_EQ(internal_field_index2, kNoInternalFieldIndex);
       i::GlobalHandles::MakePhantom(object, parameter, 1, weak_callback);
     }
   } else {
-    DCHECK_EQ(internal_field_index1, Object::kNoInternalFieldIndex);
-    DCHECK_EQ(internal_field_index2, Object::kNoInternalFieldIndex);
+    DCHECK_EQ(internal_field_index1, kNoInternalFieldIndex);
+    DCHECK_EQ(internal_field_index2, kNoInternalFieldIndex);
     i::GlobalHandles::MakePhantom(object, parameter, 0, weak_callback);
   }
 }
 
 
 void* V8::ClearWeak(i::Object** obj) {
   return i::GlobalHandles::ClearWeakness(obj);
 }
 
 
@@ skipping 7133 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal