Eliminate Turbofan shims with CodeFactory

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index 8c2f347676302863ed2e040b1d7cd8f5494ed365..986f7bf80dc358c9e527c60a7ea028c909c8d424 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -6,6 +6,7 @@
 
 #if V8_TARGET_ARCH_X64
 
+#include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen.h"
@@ -1076,8 +1077,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     if (FLAG_vector_ics) {
       __ Move(VectorLoadICDescriptor::SlotRegister(), Smi::FromInt(0));
     }
-    Handle<Code> ic =
-        masm->isolate()->builtins()->KeyedLoadIC_Initialize();
+    Handle<Code> ic = CodeFactory::KeyedLoadIC(masm->isolate()).code();
     __ Call(ic, RelocInfo::CODE_TARGET);
     // It is important that we do not have a test instruction after the
     // call.  A test instruction after the call is used to indicate that