Respect accumulative old generation memory limit in all spaces.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 0b353b70f1d269a79b747f65cedc23fc0d487958..919b606d10e18bf427a0b3905229c663bc5d7328 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -607,6 +607,9 @@ class Heap {
   // Returns the amount of memory currently committed for the heap.
   intptr_t CommittedMemory();
 
+  // Returns the amount of memory currently committed for the old space.
+  intptr_t CommittedOldGenerationMemory();
+
   // Returns the amount of executable memory currently committed for the heap.
   intptr_t CommittedMemoryExecutable();
 
@@ -690,6 +693,12 @@ class Heap {
     return old_data_space_->allocation_limit_address();
   }
 
+  // TODO(hpayer): There is still a missmatch between capacity and actual
+  // committed memory size.
+  bool CanExpandOldGeneration(int size) {
+    return (CommittedOldGenerationMemory() + size) < MaxOldGenerationSize();
+  }
+
   // Returns a deep copy of the JavaScript object.
   // Properties and elements are copied too.
   // Optionally takes an AllocationSite to be appended in an AllocationMemento.