[ic] Port {Load,Store}IC_Normal to TF

src/x64/code-stubs-x64.h

Index: src/x64/code-stubs-x64.h
diff --git a/src/x64/code-stubs-x64.h b/src/x64/code-stubs-x64.h
index 9c19c02f45587500112f262df7fb5987802b0ee2..bf503dfc6b20e3ee3cb49f1f9a9f60828a0c345f 100644
--- a/src/x64/code-stubs-x64.h
+++ b/src/x64/code-stubs-x64.h
@@ -54,14 +54,6 @@ class NameDictionaryLookupStub: public PlatformCodeStub {
                                      Handle<Name> name,
                                      Register r0);
 
-  static void GeneratePositiveLookup(MacroAssembler* masm,
-                                     Label* miss,
-                                     Label* done,
-                                     Register elements,
-                                     Register name,
-                                     Register r0,
-                                     Register r1);
-
   bool SometimesSetsUpAFrame() override { return false; }
 
  private: