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

chrome_elf/blacklist/blacklist.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome_elf/blacklist/blacklist.h"
 
 #include <assert.h>
 #include <string.h>
 
 #include <vector>
@@ skipping 179 matching lines @@
                              0,
                              &type,
                              reinterpret_cast<LPBYTE>(&blacklist_state),
                              &blacklist_state_size);
 
   if (result != ERROR_SUCCESS || type != REG_DWORD) {
     ::RegCloseKey(key);
     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);
 
   ::RegCloseKey(key);
   return (result == ERROR_SUCCESS);
 }
 
 int BlacklistSize() {
   int size = -1;
   while (blacklist::g_troublesome_dlls[++size] != NULL) {}
@@ skipping 203 matching lines @@
   }
 
   // Delete the finch registry key to clear the values.
   result = ::RegDeleteKey(key, L"");
 
   ::RegCloseKey(key);
   return result == ERROR_SUCCESS;
 }
 
 }  // namespace blacklist