FilePath: Remove most of ToWStringHack, adding a LossyDisplayName()

chrome/browser/extensions/pack_extension_job.cc

Index: chrome/browser/extensions/pack_extension_job.cc
diff --git a/chrome/browser/extensions/pack_extension_job.cc b/chrome/browser/extensions/pack_extension_job.cc
index 41f87d2c0e072ce73f1a3fb37c3a3223119a118e..591756b484fb37145898400446b386ce022b0c35 100644
--- a/chrome/browser/extensions/pack_extension_job.cc
+++ b/chrome/browser/extensions/pack_extension_job.cc
@@ -83,8 +83,8 @@ void PackExtensionJob::ReportFailureOnClientThread(const std::string& error) {
 // static
 string16 PackExtensionJob::StandardSuccessMessage(const FilePath& crx_file,
                                                   const FilePath& key_file) {
-  string16 crx_file_string = WideToUTF16(crx_file.ToWStringHack());
-  string16 key_file_string = WideToUTF16(key_file.ToWStringHack());
+  string16 crx_file_string = crx_file.LossyDisplayName();
+  string16 key_file_string = key_file.LossyDisplayName();
   if (key_file_string.empty()) {
     return l10n_util::GetStringFUTF16(
         IDS_EXTENSION_PACK_DIALOG_SUCCESS_BODY_UPDATE,