[stubs] Port KeyedStoreIC_Slow/Miss and StoreSlowElementStub to TF.

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 206778f8a8cc584e8c9228d08ef85e46edbfa4b9..1bf0a81a91de3e1a235e74aafcdca70dc9dc5c44 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -432,12 +432,6 @@ class KeyedStoreIC : public StoreIC {
                                             Handle<Object> name,
                                             Handle<Object> value);
 
-  // Code generators for stub routines.  Only called once at startup.
-  static void GenerateMiss(MacroAssembler* masm);
-  static void GenerateSlow(MacroAssembler* masm);
-  static void GenerateMegamorphic(MacroAssembler* masm,
-                                  LanguageMode language_mode);
-
   static void Clear(Isolate* isolate, Code* host, KeyedStoreICNexus* nexus);
 
  protected: