FBTF: Remove "obviously" unneeded standard C++ library #includes.

chrome/browser/autofill/autofill_type.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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_TYPE_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_TYPE_H_
 #pragma once
 
 #include <map>
 #include <set>
-#include <string>
 
 #include "base/string16.h"
 #include "chrome/browser/autofill/field_types.h"
 
 // The high-level description of AutoFill types, used to categorize form fields
 // and for associating form fields with form values in the Web Database.
 class AutoFillType {
  public:
   enum FieldTypeGroup {
     NO_GROUP,
@@ skipping 40 matching lines @@
  private:
   AutoFillFieldType field_type_;
 };
 
 typedef AutoFillType::FieldTypeGroup FieldTypeGroup;
 typedef AutoFillType::FieldTypeSubGroup FieldTypeSubGroup;
 typedef std::set<AutoFillFieldType> FieldTypeSet;
 typedef std::map<string16, AutoFillFieldType> FieldTypeMap;
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_TYPE_H_