[refactor] Separate generated builtins and C++ builtins into separate files

src/builtins/builtins-generator-gen.cc

 // Copyright 2016 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-utils.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/isolate.h"
 #include "src/objects-inl.h"
 
 namespace v8 {
 namespace internal {
 
-typedef compiler::CodeAssemblerState CodeAssemblerState;
-
 class GeneratorBuiltinsAssembler : public CodeStubAssembler {
  public:
-  explicit GeneratorBuiltinsAssembler(CodeAssemblerState* state)
+  explicit GeneratorBuiltinsAssembler(compiler::CodeAssemblerState* state)
       : CodeStubAssembler(state) {}
 
  protected:
   void GeneratorPrototypeResume(JSGeneratorObject::ResumeMode resume_mode,
                                 char const* const method_name);
 };
 
 void GeneratorBuiltinsAssembler::GeneratorPrototypeResume(
     JSGeneratorObject::ResumeMode resume_mode, char const* const method_name) {
   Node* receiver = Parameter(0);
@@ skipping 77 matching lines @@
 }
 
 // ES6 section 25.3.1.4 Generator.prototype.throw ( exception )
 TF_BUILTIN(GeneratorPrototypeThrow, GeneratorBuiltinsAssembler) {
   GeneratorPrototypeResume(JSGeneratorObject::kThrow,
                            "[Generator].prototype.throw");
 }
 
 }  // namespace internal
 }  // namespace v8