Disable lock if no credentials are present

chrome/browser/signin/local_auth.cc

Index: chrome/browser/signin/local_auth.cc
diff --git a/chrome/browser/signin/local_auth.cc b/chrome/browser/signin/local_auth.cc
index 55b955e25fd7a467bac1959d3637ea8ddec4ad32..fbae835bd0a0137c156cc366b845a78e738d4224 100644
--- a/chrome/browser/signin/local_auth.cc
+++ b/chrome/browser/signin/local_auth.cc
@@ -198,4 +198,28 @@ bool ValidateLocalAuthCredentials(const Profile* profile,
   return ValidateLocalAuthCredentials(info_index, password);
 }
 
+bool LocalAuthCredentialsExist(size_t info_index) {
+  ProfileInfoCache& info =
+      g_browser_process->profile_manager()->GetProfileInfoCache();
+
+  std::string encodedhash =
+      info.GetLocalAuthCredentialsOfProfileAtIndex(info_index);
+
+  return !encodedhash.empty();
+}
+
+bool LocalAuthCredentialsExist(const Profile* profile) {
+  DCHECK(profile);
+
+  ProfileInfoCache& info =
+      g_browser_process->profile_manager()->GetProfileInfoCache();
+  size_t info_index = info.GetIndexOfProfileWithPath(profile->GetPath());
+  if (info_index == std::string::npos) {
+    NOTREACHED();  // This should never happen but fail safely if it does.
+    return false;
+  }
+  return LocalAuthCredentialsExist(info_index);
+
+}
+
 }  // namespace chrome