wstring: remove some simple instances of ToWStringHack

BUG=69467

Review URL: http://codereview.chromium.org/6588131

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76630 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 2 deletions

diff --git a/webkit/database/database_tracker.cc b/webkit/database/database_tracker.cc
index 20f5971..5911ad2 100644
--- a/webkit/database/database_tracker.cc
+++ b/webkit/database/database_tracker.cc
@@ -715,9 +715,11 @@ void DatabaseTracker::ClearLocalState(const FilePath& profile_path) {
   for (FilePath file_path = file_enumerator.Next(); !file_path.empty();
        file_path = file_enumerator.Next()) {
     if (file_path.BaseName() != FilePath(kTrackerDatabaseFileName)) {
-      if (!StartsWith(file_path.BaseName().ToWStringHack(),
-                      ASCIIToWide(kExtensionOriginIdentifierPrefix), true))
+      std::string basename = file_path.BaseName().MaybeAsASCII();
+      if (!basename.empty() &&
+          !StartsWithASCII(basename, kExtensionOriginIdentifierPrefix, true)) {
         file_util::Delete(file_path, true);
+      }
     }
   }
 }