Adding support for windows safari. This requires registering the o3d plugin w...

plugin/cross/config_common.cc

 /*
  * Copyright 2009, Google Inc.
  * 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.
@@ skipping 192 matching lines @@
       if (error.length()) {
         O3D_ERROR(GetServiceLocator(npp)) << error;
       } else {
         O3D_ERROR(GetServiceLocator(npp))
             << "Could not initialize the graphics driver.";
       }
       return false;
     }
   }
 
-  // Check User agent. Only Firefox, Chrome and IE are supported.
+  // Check User agent. Only Firefox, Chrome, Safari and IE are supported.
   std::string user_agent = GetUserAgent(npp);
   if (!CheckUserAgent(npp, user_agent)) return false;
   return true;
 }
 }  // namespace o3d