Handle empty string in GetSavePasswordDialogTitleTextAndLinkRange gracefully

chrome/browser/ui/passwords/manage_passwords_view_utils.cc

Index: chrome/browser/ui/passwords/manage_passwords_view_utils.cc
diff --git a/chrome/browser/ui/passwords/manage_passwords_view_utils.cc b/chrome/browser/ui/passwords/manage_passwords_view_utils.cc
index f7314779c4ad26d8654c9cc34f8e96eee5f0f328..945088530e0947dce865a65ff2fd177149977842 100644
--- a/chrome/browser/ui/passwords/manage_passwords_view_utils.cc
+++ b/chrome/browser/ui/passwords/manage_passwords_view_utils.cc
@@ -116,8 +116,13 @@ void GetSavePasswordDialogTitleTextAndLinkRange(
         l10n_util::GetStringUTF16(IDS_PASSWORD_MANAGER_SMART_LOCK);
     replacements.insert(replacements.begin(), title_link);
     *title = l10n_util::GetStringFUTF16(title_id, replacements, &offsets);
-    *title_link_range =
-        gfx::Range(offsets[0], offsets[0] + title_link.length());
+    if (!offsets.empty()) {
+      // |offsets| can be empty when the localised string associated with
+      // |title_id| could not be found. While this situation is an error, it
+      // needs to be handled gracefully, see http://crbug.com/658902#c18.
+      *title_link_range =
+          gfx::Range(offsets[0], offsets[0] + title_link.length());
+    }
   } else {
     replacements.insert(
         replacements.begin(),