Split utils.h into utils.h and v8utils.h where the former is independent of V8.

src/api.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 25 matching lines @@
 #include "execution.h"
 #include "global-handles.h"
 #include "heap-profiler.h"
 #include "messages.h"
 #include "parser.h"
 #include "platform.h"
 #include "profile-generator-inl.h"
 #include "serialize.h"
 #include "snapshot.h"
 #include "top.h"
-#include "utils.h"
 #include "v8threads.h"
 #include "version.h"
 
 #include "../include/v8-profiler.h"
 
 #define LOG_API(expr) LOG(ApiEntryCall(expr))
 
 #ifdef ENABLE_VMSTATE_TRACKING
 #define ENTER_V8 i::VMState __state__(i::OTHER)
 #define LEAVE_V8 i::VMState __state__(i::EXTERNAL)
@@ skipping 4936 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal