Changing Size to SizeOfObjects in GetHeapSpaceStatistics api.

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 6874 matching lines @@
     return false;
   if (index > i::LAST_SPACE || index < i::FIRST_SPACE)
     return false;
 
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
   i::Heap* heap = isolate->heap();
   i::Space* space = heap->space(static_cast<int>(index));
 
   space_statistics->space_name_ = heap->GetSpaceName(static_cast<int>(index));
   space_statistics->space_size_ = space->CommittedMemory();
-  space_statistics->space_used_size_ = space->Size();
+  space_statistics->space_used_size_ = space->SizeOfObjects();
   space_statistics->space_available_size_ = space->Available();
   space_statistics->physical_space_size_ = space->CommittedPhysicalMemory();
   return true;
 }
 
 
 void Isolate::GetStackSample(const RegisterState& state, void** frames,
                              size_t frames_limit, SampleInfo* sample_info) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
   i::TickSample::GetStackSample(isolate, state, i::TickSample::kSkipCEntryFrame,
@@ skipping 1103 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal