Introduce EmbedderReachableReferenceReporter

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 768 matching lines @@
 i::Object** V8::CopyPersistent(i::Object** obj) {
   i::Handle<i::Object> result = i::GlobalHandles::CopyGlobal(obj);
 #ifdef VERIFY_HEAP
   if (i::FLAG_verify_heap) {
     (*obj)->ObjectVerify();
   }
 #endif  // VERIFY_HEAP
   return result.location();
 }
 
-void V8::RegisterExternallyReferencedObject(i::Object** object,
-                                            i::Isolate* isolate) {
-  isolate->heap()->RegisterExternallyReferencedObject(object);
-}
-
 void V8::MakeWeak(i::Object** location, void* parameter,
                   int internal_field_index1, int internal_field_index2,
                   WeakCallbackInfo<void>::Callback weak_callback) {
   WeakCallbackType type = WeakCallbackType::kParameter;
   if (internal_field_index1 == 0) {
     if (internal_field_index2 == 1) {
       type = WeakCallbackType::kInternalFields;
     } else {
       DCHECK_EQ(internal_field_index2, -1);
       type = WeakCallbackType::kInternalFields;
@@ skipping 8682 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8