Clean up AutoFillProfile::CreateInferredLabels()

chrome/browser/autofill/autofill_profile.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOFILL_AUTOFILL_PROFILE_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_PROFILE_H_
 #pragma once
 
 #include <map>
 #include <vector>
@@ skipping 93 matching lines @@
   void set_label(const string16& label) { label_ = label; }
 
   // Returns concatenation of full name and address line 1.  This acts as the
   // basis of comparison for new values that are submitted through forms to
   // aid with correct aggregation of new data.
   const string16 PrimaryValue() const;
 
  private:
   Address* GetHomeAddress();
 
-  // Builds inferred label, includes first non-empty field at the beginning,
-  // even if it matches for all.
-  // |included_fields| - array of the fields, that needs to be included in this
-  // label.
+  // Builds inferred label from all non-empty fields in |included_fields|.
   string16 ConstructInferredLabel(
-      const std::vector<AutoFillFieldType>* included_fields) const;
+      const std::vector<AutoFillFieldType>& included_fields) const;
 
   // The label presented to the user when selecting a profile.
   string16 label_;
 
   // The guid of this profile.
   std::string guid_;
 
   // Personal information for this profile.
   FormGroupMap personal_info_;
 };
 
 // So we can compare AutoFillProfiles with EXPECT_EQ().
 std::ostream& operator<<(std::ostream& os, const AutoFillProfile& profile);
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_PROFILE_H_