Implement heap profiler memory usage reporting.

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 6252 matching lines @@
                                                              callback);
 }
 
 
 int HeapProfiler::GetPersistentHandleCount() {
   i::Isolate* isolate = i::Isolate::Current();
   return isolate->global_handles()->NumberOfGlobalHandles();
 }
 
 
+size_t HeapProfiler::GetMemorySizeUsedByProfiler() {
+  return i::HeapProfiler::GetMemorySizeUsedByProfiler();
+}
+
+
 v8::Testing::StressType internal::Testing::stress_type_ =
     v8::Testing::kStressTypeOpt;
 
 
 void Testing::SetStressRunType(Testing::StressType type) {
   internal::Testing::set_stress_type(type);
 }
 
 int Testing::GetStressRuns() {
   if (internal::FLAG_stress_runs != 0) return internal::FLAG_stress_runs;
@@ skipping 113 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