Move OS::MemCopy and OS::MemMove out of platform to utils

src/regexp-macro-assembler-irregexp.cc

 // Copyright 2008-2009 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 "v8.h"
 #include "ast.h"
 #include "bytecodes-irregexp.h"
 #include "regexp-macro-assembler.h"
 #include "regexp-macro-assembler-irregexp.h"
 #include "regexp-macro-assembler-irregexp-inl.h"
@@ skipping 416 matching lines @@
   return array;
 }
 
 
 int RegExpMacroAssemblerIrregexp::length() {
   return pc_;
 }
 
 
 void RegExpMacroAssemblerIrregexp::Copy(Address a) {
-  OS::MemCopy(a, buffer_.start(), length());
+  MemCopy(a, buffer_.start(), length());
 }
 
 
 void RegExpMacroAssemblerIrregexp::Expand() {
   bool old_buffer_was_our_own = own_buffer_;
   Vector<byte> old_buffer = buffer_;
   buffer_ = Vector<byte>::New(old_buffer.length() * 2);
   own_buffer_ = true;
-  OS::MemCopy(buffer_.start(), old_buffer.start(), old_buffer.length());
+  MemCopy(buffer_.start(), old_buffer.start(), old_buffer.length());
   if (old_buffer_was_our_own) {
     old_buffer.Dispose();
   }
 }
 
 #endif  // V8_INTERPRETED_REGEXP
 
 } }  // namespace v8::internal