Fix a crash when trying to input phone number in the autofill settings page while running as guest …

chrome/browser/ui/webui/options2/autofill_options_handler2.h

Index: chrome/browser/ui/webui/options2/autofill_options_handler2.h
diff --git a/chrome/browser/ui/webui/options2/autofill_options_handler2.h b/chrome/browser/ui/webui/options2/autofill_options_handler2.h
index e2d20013699cf66c7cf7e1f576f6be0843d37084..1a4a96ff804e1cd2335475db8cb00f9140c21e54 100644
--- a/chrome/browser/ui/webui/options2/autofill_options_handler2.h
+++ b/chrome/browser/ui/webui/options2/autofill_options_handler2.h
@@ -82,6 +82,9 @@ class AutofillOptionsHandler : public OptionsPageUIHandler,
   // array of numbers, and the country code string set on the profile.
   void ValidatePhoneNumbers(const base::ListValue* args);
 
+  // Returns true if |personal_data_| is non-null and loaded.
+  bool IsPersonalDataLoaded() const;
+
   // The personal data manager, used to load Autofill profiles and credit cards.
   // Unowned pointer, may not be NULL.
   PersonalDataManager* personal_data_;