Serializer: move to a subfolder and clean up includes.

src/x64/regexp-macro-assembler-x64.cc

 // Copyright 2012 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/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/cpu-profiler.h"
 #include "src/log.h"
 #include "src/macro-assembler.h"
 #include "src/regexp-macro-assembler.h"
 #include "src/regexp-stack.h"
-#include "src/serialize.h"
 #include "src/unicode.h"
 #include "src/x64/regexp-macro-assembler-x64.h"
 
 namespace v8 {
 namespace internal {
 
 #ifndef V8_INTERPRETED_REGEXP
 
 /*
  * This assembler uses the following register assignment convention
@@ skipping 1408 matching lines @@
   }
 }
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64