Remove duplicate way of encoding the holder in the flags.

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 118 matching lines @@
   return FindIC(name, Handle<Map>(stub_holder->map()), kind,
                 type, extra_ic_state);
 }
 
 
 Handle<Code> StubCache::FindLoadHandler(Handle<Name> name,
                                         Handle<JSObject> receiver,
                                         Handle<JSObject> stub_holder,
                                         Code::Kind kind,
                                         Code::StubType type) {
-  Code::ExtraICState extra_ic_state = Code::ComputeExtraICState(
-      receiver.is_identical_to(stub_holder) ? Code::OWN_STUB
-                                            : Code::PROTOTYPE_STUB);
+  InlineCacheHolderFlag holder_flag = receiver.is_identical_to(stub_holder)
+      ? OWN_MAP : PROTOTYPE_MAP;
   ASSERT(type != Code::NORMAL);
   Code::Flags flags = Code::ComputeMonomorphicFlags(
-      Code::STUB, extra_ic_state, type, kind);
+      Code::STUB, Code::kNoExtraICState, type, kind, holder_flag);
   Handle<Object> probe(stub_holder->map()->FindInCodeCache(*name, flags),
                        isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
   return Handle<Code>::null();
 }
 
 
 Handle<Code> StubCache::FindStoreHandler(Handle<Name> name,
                                          Handle<JSObject> receiver,
                                          Code::Kind kind,
@@ skipping 2099 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal