Add method for resolving SnapshotObjectId by given object

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6200 matching lines @@
 
 
 const HeapSnapshot* HeapProfiler::FindSnapshot(unsigned uid) {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::FindSnapshot");
   return reinterpret_cast<const HeapSnapshot*>(
       i::HeapProfiler::FindSnapshot(uid));
 }
 
 
+SnapshotObjectId HeapProfiler::GetSnapshotObjectId(Handle<Value> value) {
+  i::Isolate* isolate = i::Isolate::Current();
+  IsDeadCheck(isolate, "v8::HeapProfiler::GetSnapshotObjectId");
+  i::Handle<i::Object> obj = Utils::OpenHandle(*value);
+  return i::HeapProfiler::GetSnapshotObjectId(obj);
+}
+
+
 const HeapSnapshot* HeapProfiler::TakeSnapshot(Handle<String> title,
                                                HeapSnapshot::Type type,
                                                ActivityControl* control) {
   i::Isolate* isolate = i::Isolate::Current();
   IsDeadCheck(isolate, "v8::HeapProfiler::TakeSnapshot");
   i::HeapSnapshot::Type internal_type = i::HeapSnapshot::kFull;
   switch (type) {
     case HeapSnapshot::kFull:
       internal_type = i::HeapSnapshot::kFull;
       break;
@@ skipping 169 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* scope_implementer =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   scope_implementer->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal