Revert "Revert "Fix filename handling for Windows. (#4482)" (#4484)" (#4506)
Revert "Revert "Fix filename handling for Windows. (#4482)" (#4484)" (#4506)

* Revert "Revert "Fix filename handling for Windows. (#4482)" (#4484)"

This reverts commit 929e5b3900e2aab0c0f05889fd44b3a9525e846a.

Reverting now since issue with
gen_snapshot(as described in https://github.com/flutter/flutter/issues/13708) was fixed.

* resolve->resolveUri, drop underscores

* Fix underscore

devoncarew/sky_engine,Hixie/sky_engine,jamesr/sky_engine,krisgiesing/sky_engine,devoncarew/engine,rmacnak-google/engine,devoncarew/engine,devoncarew/sky_engine,flutter/engine,jamesr/flutter_engine,rmacnak-google/engine,chinmaygarde/flutter_engine,chinmaygarde/sky_engine,jamesr/flutter_engine,aam/engine,jamesr/sky_engine,jason-simmons/flutter_engine,chinmaygarde/flutter_engine,devoncarew/engine,tvolkert/engine,krisgiesing/sky_engine,jason-simmons/flutter_engine,mikejurka/engine,jason-simmons/flutter_engine,jason-simmons/sky_engine,devoncarew/engine,jason-simmons/sky_engine,jamesr/flutter_engine,chinmaygarde/flutter_engine,jamesr/sky_engine,cdotstout/sky_engine,jamesr/flutter_engine,rmacnak-google/engine,flutter/engine,aam/engine,mikejurka/engine,jamesr/flutter_engine,rmacnak-google/engine,krisgiesing/sky_engine,chinmaygarde/flutter_engine,chinmaygarde/flutter_engine,devoncarew/sky_engine,flutter/engine,tvolkert/engine,jason-simmons/sky_engine,flutter/engine,jamesr/sky_engine,devoncarew/sky_engine,krisgiesing/sky_engine,tvolkert/engine,devoncarew/engine,rmacnak-google/engine,chinmaygarde/sky_engine,mikejurka/engine,flutter/engine,jason-simmons/sky_engine,jason-simmons/flutter_engine,Hixie/sky_engine,Hixie/sky_engine,aam/engine,jamesr/flutter_engine,jason-simmons/sky_engine,chinmaygarde/flutter_engine,cdotstout/sky_engine,chinmaygarde/sky_engine,aam/engine,cdotstout/sky_engine,chinmaygarde/sky_engine,Hixie/sky_engine,cdotstout/sky_engine,jamesr/sky_engine,Hixie/sky_engine,aam/engine,krisgiesing/sky_engine,chinmaygarde/sky_engine,mikejurka/engine,mikejurka/engine,jamesr/flutter_engine,krisgiesing/sky_engine,krisgiesing/sky_engine,chinmaygarde/flutter_engine,jason-simmons/flutter_engine,devoncarew/sky_engine,devoncarew/sky_engine,jamesr/sky_engine,devoncarew/engine,mikejurka/engine,rmacnak-google/engine,aam/engine,jason-simmons/sky_engine,tvolkert/engine,jamesr/flutter_engine,flutter/engine,devoncarew/engine,jamesr/sky_engine,flutter/engine,Hixie/sky_engine,jason-simmons/flutter_engine,jason-simmons/flutter_engine,tvolkert/engine,devoncarew/sky_engine,mikejurka/engine,Hixie/sky_engine,jason-simmons/sky_engine,tvolkert/engine,jason-simmons/flutter_engine,aam/engine,flutter/engine,mikejurka/engine,chinmaygarde/sky_engine,chinmaygarde/sky_engine,jamesr/flutter_engine,cdotstout/sky_engine,aam/engine,Hixie/sky_engine,mikejurka/engine,cdotstout/sky_engine,tvolkert/engine,rmacnak-google/engine,cdotstout/sky_engine