| Index: chrome/browser/extensions/external_pref_extension_provider.cc
 | 
| diff --git a/chrome/browser/extensions/external_pref_extension_provider.cc b/chrome/browser/extensions/external_pref_extension_provider.cc
 | 
| index 7b371ed8e1b1841050aa1c445d1523ee17dd78c0..e0f491fcf719e008d5a2eb23b4921e27342abbe7 100644
 | 
| --- a/chrome/browser/extensions/external_pref_extension_provider.cc
 | 
| +++ b/chrome/browser/extensions/external_pref_extension_provider.cc
 | 
| @@ -58,7 +58,8 @@ void ExternalPrefExtensionProvider::VisitRegisteredExtension(
 | 
|        continue;
 | 
|      }
 | 
|  
 | 
| -    if (external_crx.find(FilePath::kParentDirectory) != StringPiece::npos) {
 | 
| +    if (external_crx.find(FilePath::kParentDirectory) !=
 | 
| +        base::StringPiece::npos) {
 | 
|        LOG(WARNING) << "Path traversal not allowed in path: "
 | 
|                     << external_crx.c_str();
 | 
|        continue;
 | 
| 
 |