[builtins] Begin removing CodeFactory accessors

src/full-codegen/full-codegen.cc

Index: src/full-codegen/full-codegen.cc
diff --git a/src/full-codegen/full-codegen.cc b/src/full-codegen/full-codegen.cc
index 4d0dd3d5894f96bd7994d5333ba34e1d0b51917d..18d578edb2d489e0532e3b0658786fc049728f87 100644
--- a/src/full-codegen/full-codegen.cc
+++ b/src/full-codegen/full-codegen.cc
@@ -614,7 +614,8 @@ void FullCodeGenerator::EmitIntrinsicAsStubCall(CallRuntime* expr,
 
 
 void FullCodeGenerator::EmitToString(CallRuntime* expr) {
-  EmitIntrinsicAsStubCall(expr, CodeFactory::ToString(isolate()));
+  EmitIntrinsicAsStubCall(
+      expr, Builtins::CallableFor(isolate(), Builtins::kToString));
 }
 
 
@@ -632,7 +633,8 @@ void FullCodeGenerator::EmitToNumber(CallRuntime* expr) {
 
 
 void FullCodeGenerator::EmitToObject(CallRuntime* expr) {
-  EmitIntrinsicAsStubCall(expr, CodeFactory::ToObject(isolate()));
+  EmitIntrinsicAsStubCall(
+      expr, Builtins::CallableFor(isolate(), Builtins::kToObject));
 }