[cleanup] Port KeyedLoadIC_{Slow,Miss} to TF and drop unused IC handler code

src/ic/ic.h

 // Copyright 2012 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.
 
 #ifndef V8_IC_H_
 #define V8_IC_H_
 
 #include "src/ic/ic-state.h"
 #include "src/macro-assembler.h"
 #include "src/messages.h"
@@ skipping 268 matching lines @@
     DCHECK(IsLoadStub());
   }
 
   bool ShouldThrowReferenceError() const {
     return kind() == Code::LOAD_GLOBAL_IC &&
            LoadGlobalICState::GetTypeofMode(extra_ic_state()) ==
                NOT_INSIDE_TYPEOF;
   }
 
   // Code generator routines.
-
-  static void GenerateMiss(MacroAssembler* masm);
   static void GenerateRuntimeGetProperty(MacroAssembler* masm);
   static void GenerateNormal(MacroAssembler* masm);
 
   MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object,
                                            Handle<Name> name);
 
   static void Clear(Isolate* isolate, Code* host, LoadICNexus* nexus);
 
  protected:
   virtual Handle<Code> slow_stub() const {
@@ skipping 46 matching lines @@
  public:
   KeyedLoadIC(FrameDepth depth, Isolate* isolate,
               KeyedLoadICNexus* nexus = NULL)
       : LoadIC(depth, isolate, nexus) {
     DCHECK(nexus != NULL);
   }
 
   MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object,
                                            Handle<Object> key);
 
-  // Code generator routines.
-  static void GenerateMiss(MacroAssembler* masm);
-  static void GenerateRuntimeGetProperty(MacroAssembler* masm);
-
   static void Clear(Isolate* isolate, Code* host, KeyedLoadICNexus* nexus);
 
  protected:
   // receiver is HeapObject because it could be a String or a JSObject
   void UpdateLoadElement(Handle<HeapObject> receiver);
 
  private:
   friend class IC;
 };
 
@@ skipping 144 matching lines @@
 
 // Helper for BinaryOpIC and CompareIC.
 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK };
 void PatchInlinedSmiCode(Isolate* isolate, Address address,
                          InlinedSmiCheck check);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_IC_H_