Report when blacklist.cc fails to setup the blacklisting thunk.

chrome_elf/blacklist/blacklist.cc

Index: chrome_elf/blacklist/blacklist.cc
diff --git a/chrome_elf/blacklist/blacklist.cc b/chrome_elf/blacklist/blacklist.cc
index ba544e253a5ea06f3951d7907dff7a4aa02688bd..d0770d47a32da7d35e20469902d489ad2f19e45f 100644
--- a/chrome_elf/blacklist/blacklist.cc
+++ b/chrome_elf/blacklist/blacklist.cc
@@ -197,9 +197,9 @@ bool ResetBeacon() {
     return false;
   }
 
-  // Reaching this point with the setup running state means the setup
-  // succeeded and so we reset to enabled.  Any other state indicates that setup
-  // was skipped; in that case we leave the state alone for later recording.
+  // Reaching this point with the setup running state means the setup did not
+  // crash, so we reset to enabled.  Any other state indicates that setup was
+  // skipped; in that case we leave the state alone for later recording.
   if (blacklist_state == BLACKLIST_SETUP_RUNNING)
     result = SetDWValue(&key, kBeaconState, BLACKLIST_ENABLED);