This is subsequent fix for CR7044944: DT is not registered in Chrome if Firefox is not installed. Original webrev is in http://sa.sfbay.sun.com/projects/deployment_data/7/7044944.9/deploy/ It didn't put into 7 workspace on time becausing deploy.dll has different complie configuration than fxreg.exe. What we want is making deployment native code complied in _UNICODE first (see CR7052783) and then we can put changes in it.