[builtins] Turn StoreIC_Miss and StoreIC_Slow builtins to TurboFan code stubs.

src/ic/ia32/handler-compiler-ia32.cc

Index: src/ic/ia32/handler-compiler-ia32.cc
diff --git a/src/ic/ia32/handler-compiler-ia32.cc b/src/ic/ia32/handler-compiler-ia32.cc
index 793eeed8a78872a0317b94ab5800e149bf697104..16451808661a760605244419b60bae9590548299 100644
--- a/src/ic/ia32/handler-compiler-ia32.cc
+++ b/src/ic/ia32/handler-compiler-ia32.cc
@@ -333,15 +333,6 @@ static void StoreIC_PushArgs(MacroAssembler* masm) {
 }
 
 
-void NamedStoreHandlerCompiler::GenerateSlow(MacroAssembler* masm) {
-  // Return address is on the stack.
-  StoreIC_PushArgs(masm);
-
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(Runtime::kStoreIC_Slow);
-}
-
-
 void ElementHandlerCompiler::GenerateStoreSlow(MacroAssembler* masm) {
   // Return address is on the stack.
   StoreIC_PushArgs(masm);