Ping               44 chrome/test/data/nacl/crash/ppapi_crash_off_main_thread.cc   RegisterTest("Ping", Ping);
Ping              433 sandbox/win/src/sandbox_policy_base.cc                     static_cast<Callback1>(&PolicyBase::Ping));
Ping              103 sandbox/win/src/sandbox_policy_base.h   bool Ping(IPCInfo* ipc, void* cookie);