Respect accumulative old generation memory limit in all spaces.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 26cffc8fb5524e51310776f74c2fbc3e0e7edf8b..16b5deccf6ebf97253d04db7e49c8a40f2285ac8 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -177,16 +177,23 @@ intptr_t Heap::Capacity() {
 }
 
 
-intptr_t Heap::CommittedMemory() {
+intptr_t Heap::CommittedOldGenerationMemory() {
   if (!HasBeenSetUp()) return 0;
 
-  return new_space_.CommittedMemory() + old_pointer_space_->CommittedMemory() +
+  return old_pointer_space_->CommittedMemory() +
          old_data_space_->CommittedMemory() + code_space_->CommittedMemory() +
          map_space_->CommittedMemory() + cell_space_->CommittedMemory() +
          property_cell_space_->CommittedMemory() + lo_space_->Size();
 }
 
 
+intptr_t Heap::CommittedMemory() {
+  if (!HasBeenSetUp()) return 0;
+
+  return new_space_.CommittedMemory() + CommittedOldGenerationMemory();
+}
+
+
 size_t Heap::CommittedPhysicalMemory() {
   if (!HasBeenSetUp()) return 0;