XRayGetSavedThreadID   63 native_client_sdk/src/libraries/xray/browser.c   int32_t thread_id = XRayGetSavedThreadID(capture);
XRayGetSavedThreadID  191 native_client_sdk/src/libraries/xray/xray_priv.h XRAY_NO_INSTRUMENT int32_t XRayGetSavedThreadID(