b=814200 remove unused gtk_xtbin_set_position r=stransky

--HG--
extra : rebase_source : 7e86223d66a94e5668b5d49a05bf16e9a9825cf3
b=814200 don't redirect embedder socket window resize requests to Xt client r=stransky

--HG--
extra : rebase_source : 936d2fb8dbed72c064b158a106dde582b091454b
b=814200 listen only to necessary Xt events and be explicit about those events r=stransky

--HG--
extra : rebase_source : 9be042c06d9d3dd291bd0ec299dc0de853d096bf
b=814200 remove unnecessary XSelectInput with XtAddEventHandler r=stransky

--HG--
extra : rebase_source : c5ab3dc7f89e78fb32e4e03b71a7aa91b97364e7
back out 54501cee764e b=623380