12/04/14 23:23:03.22 WfJBLRcv0
>>312
tab[busy] .tab-icon-image {
list-style-image: url("chrome://browser/skin/places/searching_16.png") !important;
}
.tab-throbber[progress], .tab-throbber[busy] {
list-style-image: url("data:image/png;base64,～") !important;
}