[csa] Add CSA::CallBuiltin and Builtins::CallableFor

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index e54bd0761a0f26cefe2a708db67457349c55b036..0929444fa85e03aacc4c5c3ac4ebf6e12d4cee76 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -7,6 +7,7 @@
 
 #include "src/allocation.h"
 #include "src/assembler.h"
+#include "src/callable.h"
 #include "src/codegen.h"
 #include "src/globals.h"
 #include "src/interface-descriptors.h"
@@ -14,20 +15,6 @@
 namespace v8 {
 namespace internal {
 
-// Associates a body of code with an interface descriptor.
-class Callable final BASE_EMBEDDED {
- public:
-  Callable(Handle<Code> code, CallInterfaceDescriptor descriptor)
-      : code_(code), descriptor_(descriptor) {}
-
-  Handle<Code> code() const { return code_; }
-  CallInterfaceDescriptor descriptor() const { return descriptor_; }
-
- private:
-  const Handle<Code> code_;
-  const CallInterfaceDescriptor descriptor_;
-};
-
 class V8_EXPORT_PRIVATE CodeFactory final {
  public:
   // CEntryStub has var-args semantics (all the arguments are passed on the