Never allow empty preview entries. As some data is always present (we drop co...

chrome/browser/autofill/autofill_profile.h

Index: chrome/browser/autofill/autofill_profile.h
===================================================================
--- chrome/browser/autofill/autofill_profile.h	(revision 63786)
+++ chrome/browser/autofill/autofill_profile.h	(working copy)
@@ -46,6 +46,9 @@
   // Returns a copy of the profile it is called on. The caller is responsible
   // for deleting profile when they are done with it.
   virtual FormGroup* Clone() const;
+  // The user-visible label of the profile, generated in relation to other
+  // profiles. Shows at least 2 fields that differentiate profile from other
+  // profiles. See AdjustInferredLabels() further down for more description.
   virtual const string16& Label() const;
 
   int unique_id() const { return unique_id_; }
@@ -55,16 +58,6 @@
   const std::string guid() const { return guid_; }
   void set_guid(const std::string& guid) { guid_ = guid; }
 
-  // Profile summary string for UI.
-  // Constructs a summary string based on NAME_FIRST, NAME_LAST, and
-  // ADDRESS_HOME_LINE1 fields of the profile.  The summary string is of the
-  // form:
-  //     L"<first_name> <last_name>, <address_line_1>"
-  // but may omit any or all of the fields if they are not present in the
-  // profile.
-  // The form of the string is governed by generated resources.
-  string16 PreviewSummary() const;
-
   // Adjusts the labels according to profile data.
   // Labels contain minimal different combination of:
   // 1. Full name.