Expose last seen heap object id via v8 public api.

src/heap-profiler.cc

 // Copyright 2009-2010 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 79 matching lines @@
   Isolate::Current()->heap_profiler()->StartHeapObjectsTrackingImpl();
 }
 
 
 void HeapProfiler::StopHeapObjectsTracking() {
   ASSERT(Isolate::Current()->heap_profiler() != NULL);
   Isolate::Current()->heap_profiler()->StopHeapObjectsTrackingImpl();
 }
 
 
-void HeapProfiler::PushHeapObjectsStats(v8::OutputStream* stream) {
+SnapshotObjectId HeapProfiler::PushHeapObjectsStats(v8::OutputStream* stream) {
   ASSERT(Isolate::Current()->heap_profiler() != NULL);
   return Isolate::Current()->heap_profiler()->PushHeapObjectsStatsImpl(stream);
 }
 
 
 void HeapProfiler::DefineWrapperClass(
     uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback) {
   ASSERT(class_id != v8::HeapProfiler::kPersistentHandleNoClassId);
   if (wrapper_callbacks_.length() <= class_id) {
     wrapper_callbacks_.AddBlock(
@@ skipping 40 matching lines @@
                                              int type,
                                              v8::ActivityControl* control) {
   return TakeSnapshotImpl(snapshots_->names()->GetName(name), type, control);
 }
 
 void HeapProfiler::StartHeapObjectsTrackingImpl() {
   snapshots_->StartHeapObjectsTracking();
 }
 
 
-void HeapProfiler::PushHeapObjectsStatsImpl(OutputStream* stream) {
-  snapshots_->PushHeapObjectsStats(stream);
+SnapshotObjectId HeapProfiler::PushHeapObjectsStatsImpl(OutputStream* stream) {
+  return snapshots_->PushHeapObjectsStats(stream);
 }
 
 
 void HeapProfiler::StopHeapObjectsTrackingImpl() {
   snapshots_->StopHeapObjectsTracking();
 }
 
 
 int HeapProfiler::GetSnapshotsCount() {
   HeapProfiler* profiler = Isolate::Current()->heap_profiler();
@@ skipping 31 matching lines @@
   profiler->ResetSnapshots();
 }
 
 
 void HeapProfiler::ObjectMoveEvent(Address from, Address to) {
   snapshots_->ObjectMoveEvent(from, to);
 }
 
 
 } }  // namespace v8::internal