Deprecate HAllocateObject in favor of HAllocate.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 50b5a34baa74ebd181dda5d26f5b909a08bae02f..9ef7a046d7a1fa65f9e167fc49e612ecf420b19d 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -4300,10 +4300,7 @@ MaybeObject* Heap::AllocateJSObjectFromMap(Map* map, PretenureFlag pretenure) {
   ASSERT(map->instance_type() != JS_BUILTINS_OBJECT_TYPE);
 
   // Allocate the backing storage for the properties.
-  int prop_size =
-      map->pre_allocated_property_fields() +
-      map->unused_property_fields() -
-      map->inobject_properties();
+  int prop_size = map->InitialPropertiesLength();
   ASSERT(prop_size >= 0);
   Object* properties;
   { MaybeObject* maybe_properties = AllocateFixedArray(prop_size, pretenure);
@@ -4340,10 +4337,7 @@ MaybeObject* Heap::AllocateJSObjectFromMapWithAllocationSite(Map* map,
   ASSERT(map->instance_type() != JS_BUILTINS_OBJECT_TYPE);
 
   // Allocate the backing storage for the properties.
-  int prop_size =
-      map->pre_allocated_property_fields() +
-      map->unused_property_fields() -
-      map->inobject_properties();
+  int prop_size = map->InitialPropertiesLength();
   ASSERT(prop_size >= 0);
   Object* properties;
   { MaybeObject* maybe_properties = AllocateFixedArray(prop_size);