Revert "Optimize the message queue for many active ports with few messages."

runtime/vm/object_store.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_STORE_H_
 #define VM_OBJECT_STORE_H_
 
 #include "vm/object.h"
 
 namespace dart {
@@ skipping 458 matching lines @@
   }
   void InitKeywordTable();
 
   RawFunction* receive_port_create_function() const {
     return receive_port_create_function_;
   }
   void set_receive_port_create_function(const Function& function) {
     receive_port_create_function_ = function.raw();
   }
 
-  RawFunction* lookup_receive_port_function() const {
-    return lookup_receive_port_function_;
-  }
-  void set_lookup_receive_port_function(const Function& function) {
-    lookup_receive_port_function_ = function.raw();
-  }
-
   RawFunction* handle_message_function() const {
     return handle_message_function_;
   }
   void set_handle_message_function(const Function& function) {
     handle_message_function_ = function.raw();
   }
 
   // Visit all object pointers.
   void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
@@ skipping 79 matching lines @@
   RawLibrary* root_library_;
   RawGrowableObjectArray* libraries_;
   RawGrowableObjectArray* pending_classes_;
   RawError* sticky_error_;
   RawString* unhandled_exception_handler_;
   RawContext* empty_context_;
   RawInstance* stack_overflow_;
   RawInstance* out_of_memory_;
   RawArray* keyword_symbols_;
   RawFunction* receive_port_create_function_;
-  RawFunction* lookup_receive_port_function_;
   RawFunction* handle_message_function_;
   RawObject** to() { return reinterpret_cast<RawObject**>(&keyword_symbols_); }
 
   friend class SnapshotReader;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectStore);
 };
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_STORE_H_