Revert "Refactor transitioning stores."

src/lithium.h

Index: src/lithium.h
diff --git a/src/lithium.h b/src/lithium.h
index b3d11789d55a82fc30c9bd512fa130be93c71185..650bae69235a3205aa1edeebd5f8c484bf3c3713 100644
--- a/src/lithium.h
+++ b/src/lithium.h
@@ -650,6 +650,13 @@ class LChunk : public ZoneObject {
     inlined_closures_.Add(closure, zone());
   }
 
+  void AddDeprecationDependency(Handle<Map> map) {
+    ASSERT(!map->is_deprecated());
+    if (!map->CanBeDeprecated()) return;
+    ASSERT(!info_->IsStub());
+    deprecation_dependencies_.insert(map);
+  }
+
   void AddStabilityDependency(Handle<Map> map) {
     ASSERT(map->is_stable());
     if (!map->CanTransition()) return;
@@ -684,6 +691,7 @@ class LChunk : public ZoneObject {
   ZoneList<LInstruction*> instructions_;
   ZoneList<LPointerMap*> pointer_maps_;
   ZoneList<Handle<JSFunction> > inlined_closures_;
+  MapSet deprecation_dependencies_;
   MapSet stability_dependencies_;
 };