[builtins] Begin removing CodeFactory accessors

src/builtins/builtins-async-generator-gen.cc

 // Copyright 2017 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.
 
 #include "src/builtins/builtins-async-gen.h"
 #include "src/builtins/builtins-utils-gen.h"
 #include "src/builtins/builtins.h"
 #include "src/code-factory.h"
 #include "src/code-stub-assembler.h"
 #include "src/frames-inl.h"
@@ skipping 216 matching lines @@
 #endif
 
   ClearAwaitedPromise(generator);
 
   CSA_SLOW_ASSERT(this, IsGeneratorSuspended(generator));
 
   CallStub(CodeFactory::ResumeGenerator(isolate()), context, value, generator,
            SmiConstant(resume_mode),
            SmiConstant(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
 
-  TailCallStub(CodeFactory::AsyncGeneratorResumeNext(isolate()), context,
-               generator);
+  TailCallBuiltin(Builtins::kAsyncGeneratorResumeNext, context, generator);
 }
 
 template <typename Descriptor>
 void AsyncGeneratorBuiltinsAssembler::AsyncGeneratorAwait(bool is_catchable) {
   Node* generator = Parameter(1);
   Node* value = Parameter(2);
   Node* context = Parameter(5);
 
   CSA_SLOW_ASSERT(this,
                   HasInstanceType(generator, JS_ASYNC_GENERATOR_OBJECT_TYPE));
@@ skipping 253 matching lines @@
 
   Node* const next = TakeFirstAsyncGeneratorRequestFromQueue(generator);
   Node* const promise = LoadPromiseFromAsyncGeneratorRequest(next);
 
   Return(CallBuiltin(Builtins::kRejectNativePromise, context, promise, value,
                      TrueConstant()));
 }
 
 }  // namespace internal
 }  // namespace v8