Enable import/export of passwords into/from Password Manager

components/password_manager/core/browser/export/csv_writer.cc

 // Copyright 2014 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.
 
 #include "components/password_manager/core/browser/export/csv_writer.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 
@@ skipping 47 matching lines @@
 #endif
   output_->append(kLineEnding);
   at_beginning_of_line_ = true;
 }
 
 }  // namespace
 
 namespace password_manager {
 
 void WriteCSV(const std::vector<std::string>& column_names,
-              const std::vector<std::map<std::string, std::string>>& records,
+              const std::vector<ColumnNameToValueMap>& records,
               std::string* csv) {
   DCHECK(csv);
   csv->clear();
 
   // Append header row.
   CSVFormatter formatter(csv);
   for (const auto& column_name : column_names) {
     formatter.AppendValue(column_name);
   }
   formatter.EndLine();
 
   // Append every other data record row.
   for (const auto& row : records) {
     for (const auto& column_name : column_names) {
       auto it_field = row.find(column_name);
       formatter.AppendValue(it_field != row.end() ?
           it_field->second : std::string());
     }
     formatter.EndLine();
   }
 }
 
 }  // namespace password_manager