Move "slow handler" compiler code to handler-compiler

src/ic/handler-compiler.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic-inl.h"
 
@@ skipping 370 matching lines @@
         cached_stub = isolate()->builtins()->KeyedLoadIC_SloppyArguments();
       } else {
         DCHECK(elements_kind == DICTIONARY_ELEMENTS);
         cached_stub = LoadDictionaryElementStub(isolate()).GetCode();
       }
     }
 
     handlers->Add(cached_stub);
   }
 }
-
-
-void ElementHandlerCompiler::GenerateStoreDictionaryElement(
-    MacroAssembler* masm) {
-  KeyedStoreIC::GenerateSlow(masm);
-}
 }
 }  // namespace v8::internal