invalid_file_test.cc: remove unused param warnings
invalid_file_test.cc: remove unused param warnings

Change-Id: Ifde2849f45acb59fbcf29c8735ef0a10d4d9041e

openpeer/libvpx_new,abwiz0086/webm.libvpx,Distrotech/libvpx,kleopatra999/webm.libvpx,running770/libvpx,mwgoldsmith/vpx,kim42083/webm.libvpx,Distrotech/libvpx,ittiamvpx/libvpx-1,stewnorriss/libvpx,Topopiccione/libvpx,ittiamvpx/libvpx-1,smarter/aom,altogother/webm.libvpx,thdav/aom,matanbs/vp982,shareefalis/libvpx,ittiamvpx/libvpx-1,abwiz0086/webm.libvpx,Maria1099/webm.libvpx,charup/https---github.com-webmproject-libvpx-,Laknot/libvpx,Suvarna1488/webm.libvpx,openpeer/libvpx_new,shyamalschandra/libvpx,ittiamvpx/libvpx-1,n4t/libvpx,matanbs/webm.libvpx,Maria1099/webm.libvpx,felipebetancur/libvpx,shacklettbp/aom,VTCSecureLLC/libvpx,Acidburn0zzz/webm.libvpx,abwiz0086/webm.libvpx,Laknot/libvpx,webmproject/libvpx,zofuthan/libvpx,kalli123/webm.libvpx,matanbs/webm.libvpx,shareefalis/libvpx,liqianggao/libvpx,running770/libvpx,GrokImageCompression/aom,altogother/webm.libvpx,jmvalin/aom,shyamalschandra/libvpx,gshORTON/webm.libvpx,stewnorriss/libvpx,jdm/libvpx,GrokImageCompression/aom,liqianggao/libvpx,jmvalin/aom,smarter/aom,ittiamvpx/libvpx,Topopiccione/libvpx,kleopatra999/webm.libvpx,luctrudeau/aom,ittiamvpx/libvpx,gshORTON/webm.libvpx,thdav/aom,matanbs/webm.libvpx,matanbs/vp982,zofuthan/libvpx,Distrotech/libvpx,pcwalton/libvpx,VTCSecureLLC/libvpx,zofuthan/libvpx,stewnorriss/libvpx,VTCSecureLLC/libvpx,mwgoldsmith/vpx,hsueceumd/test_hui,mwgoldsmith/vpx,ittiamvpx/libvpx-1,openpeer/libvpx_new,jdm/libvpx,hsueceumd/test_hui,abwiz0086/webm.libvpx,Suvarna1488/webm.libvpx,jdm/libvpx,abwiz0086/webm.libvpx,jacklicn/webm.libvpx,reimaginemedia/webm.libvpx,lyx2014/libvpx_c,ittiamvpx/libvpx-1,altogother/webm.libvpx,goodleixiao/vpx,lyx2014/libvpx_c,mwgoldsmith/libvpx,running770/libvpx,Topopiccione/libvpx,luctrudeau/aom,jdm/libvpx,Suvarna1488/webm.libvpx,iniwf/webm.libvpx,kalli123/webm.libvpx,kleopatra999/webm.libvpx,felipebetancur/libvpx,kleopatra999/webm.libvpx,pcwalton/libvpx,felipebetancur/libvpx,Maria1099/webm.libvpx,shareefalis/libvpx,liqianggao/libvpx,Distrotech/libvpx,kalli123/webm.libvpx,felipebetancur/libvpx,ittiamvpx/libvpx,gshORTON/webm.libvpx,stewnorriss/libvpx,shareefalis/libvpx,running770/libvpx,jacklicn/webm.libvpx,Laknot/libvpx,matanbs/vp982,kim42083/webm.libvpx,Suvarna1488/webm.libvpx,GrokImageCompression/aom,jmvalin/aom,matanbs/webm.libvpx,hsueceumd/test_hui,matanbs/webm.libvpx,reimaginemedia/webm.libvpx,shyamalschandra/libvpx,mbebenita/aom,openpeer/libvpx_new,iniwf/webm.libvpx,openpeer/libvpx_new,thdav/aom,mbebenita/aom,smarter/aom,mbebenita/aom,charup/https---github.com-webmproject-libvpx-,jdm/libvpx,kleopatra999/webm.libvpx,reimaginemedia/webm.libvpx,GrokImageCompression/aom,jmvalin/aom,altogother/webm.libvpx,shareefalis/libvpx,mwgoldsmith/libvpx,goodleixiao/vpx,jmvalin/aom,running770/libvpx,matanbs/vp982,iniwf/webm.libvpx,pcwalton/libvpx,pcwalton/libvpx,goodleixiao/vpx,gshORTON/webm.libvpx,shyamalschandra/libvpx,zofuthan/libvpx,goodleixiao/vpx,kim42083/webm.libvpx,felipebetancur/libvpx,Laknot/libvpx,thdav/aom,matanbs/vp982,altogother/webm.libvpx,liqianggao/libvpx,ShiftMediaProject/libvpx,pcwalton/libvpx,mwgoldsmith/libvpx,Acidburn0zzz/webm.libvpx,zofuthan/libvpx,webmproject/libvpx,hsueceumd/test_hui,matanbs/vp982,luctrudeau/aom,mbebenita/aom,n4t/libvpx,Topopiccione/libvpx,jacklicn/webm.libvpx,mbebenita/aom,luctrudeau/aom,GrokImageCompression/aom,iniwf/webm.libvpx,reimaginemedia/webm.libvpx,smarter/aom,shacklettbp/aom,abwiz0086/webm.libvpx,ittiamvpx/libvpx,Maria1099/webm.libvpx,iniwf/webm.libvpx,mbebenita/aom,webmproject/libvpx,kim42083/webm.libvpx,iniwf/webm.libvpx,VTCSecureLLC/libvpx,gshORTON/webm.libvpx,Distrotech/libvpx,charup/https---github.com-webmproject-libvpx-,jmvalin/aom,matanbs/vp982,Topopiccione/libvpx,zofuthan/libvpx,felipebetancur/libvpx,shacklettbp/aom,charup/https---github.com-webmproject-libvpx-,ittiamvpx/libvpx,smarter/aom,shyamalschandra/libvpx,liqianggao/libvpx,shacklettbp/aom,Acidburn0zzz/webm.libvpx,mwgoldsmith/libvpx,Maria1099/webm.libvpx,Laknot/libvpx,lyx2014/libvpx_c,matanbs/webm.libvpx,lyx2014/libvpx_c,jacklicn/webm.libvpx,altogother/webm.libvpx,webmproject/libvpx,Laknot/libvpx,jdm/libvpx,shacklettbp/aom,smarter/aom,kim42083/webm.libvpx,stewnorriss/libvpx,luctrudeau/aom,kalli123/webm.libvpx,kim42083/webm.libvpx,luctrudeau/aom,reimaginemedia/webm.libvpx,thdav/aom,stewnorriss/libvpx,webmproject/libvpx,liqianggao/libvpx,kleopatra999/webm.libvpx,ShiftMediaProject/libvpx,kalli123/webm.libvpx,VTCSecureLLC/libvpx,n4t/libvpx,goodleixiao/vpx,lyx2014/libvpx_c,reimaginemedia/webm.libvpx,shyamalschandra/libvpx,mwgoldsmith/vpx,ittiamvpx/libvpx,GrokImageCompression/aom,Maria1099/webm.libvpx,Suvarna1488/webm.libvpx,mwgoldsmith/vpx,Topopiccione/libvpx,Acidburn0zzz/webm.libvpx,hsueceumd/test_hui,charup/https---github.com-webmproject-libvpx-,running770/libvpx,Distrotech/libvpx,shacklettbp/aom,mbebenita/aom,gshORTON/webm.libvpx,VTCSecureLLC/libvpx,ShiftMediaProject/libvpx,hsueceumd/test_hui,mbebenita/aom,Suvarna1488/webm.libvpx,mwgoldsmith/libvpx,goodleixiao/vpx,webmproject/libvpx,mbebenita/aom,n4t/libvpx,A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