ClearCallback     121 chrome/browser/ui/views/accessibility/accessibility_event_router_views_unittest.cc     ClearCallback();
ClearCallback     508 net/http/http_cache.cc     pending_op->writer->ClearCallback();
ClearCallback     187 ppapi/proxy/enter_proxy.h     this->ClearCallback();
ClearCallback     195 ppapi/proxy/enter_proxy.h     this->ClearCallback();
ClearCallback     126 ppapi/thunk/enter.h   void ClearCallback();