Implement heap profiler memory usage reporting.

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 150 matching lines @@
 SnapshotObjectId HeapProfiler::PushHeapObjectsStatsImpl(OutputStream* stream) {
   return snapshots_->PushHeapObjectsStats(stream);
 }
 
 
 void HeapProfiler::StopHeapObjectsTrackingImpl() {
   snapshots_->StopHeapObjectsTracking();
 }
 
 
+size_t HeapProfiler::GetMemorySizeUsedByProfiler() {
+  HeapProfiler* profiler = Isolate::Current()->heap_profiler();
+  ASSERT(profiler != NULL);
+  size_t size = profiler->snapshots_->GetUsedMemorySize();
+  return size;
+}
+
+
 int HeapProfiler::GetSnapshotsCount() {
   HeapProfiler* profiler = Isolate::Current()->heap_profiler();
   ASSERT(profiler != NULL);
   return profiler->snapshots_->snapshots()->length();
 }
 
 
 HeapSnapshot* HeapProfiler::GetSnapshot(int index) {
   HeapProfiler* profiler = Isolate::Current()->heap_profiler();
   ASSERT(profiler != NULL);
@@ skipping 23 matching lines @@
   profiler->ResetSnapshots();
 }
 
 
 void HeapProfiler::ObjectMoveEvent(Address from, Address to) {
   snapshots_->ObjectMoveEvent(from, to);
 }
 
 
 } }  // namespace v8::internal