Add thread-safety to creation of MemCopy and modulo functions.

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 1284 matching lines @@
   }
 
   // Copy the data to ensure it is properly aligned.
   int deserialized_data_length = length / sizeof(unsigned);
   // If aligned, don't create a copy of the data.
   if (reinterpret_cast<intptr_t>(data) % sizeof(unsigned) == 0) {
     return new i::ScriptDataImpl(data, length);
   }
   // Copy the data to align it.
   unsigned* deserialized_data = i::NewArray<unsigned>(deserialized_data_length);
-  i::MemCopy(deserialized_data, data, length);
+  i::OS::MemCopy(deserialized_data, data, length);
 
   return new i::ScriptDataImpl(
       i::Vector<unsigned>(deserialized_data, deserialized_data_length));
 }
 
 
 // --- S c r i p t ---
 
 
 Local<Script> Script::New(v8::Handle<String> source,
@@ skipping 4324 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* scope_implementer =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   scope_implementer->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal