Implement CSVReader and CSVWriter to be used for password import and export.

components/components_tests.gyp

 # 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.
 
 {
   'variables': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 177 matching lines @@
             'omnibox/suggestion_answer_unittest.cc',
             'os_crypt/ie7_password_win_unittest.cc',
             'os_crypt/keychain_password_mac_unittest.mm',
             'os_crypt/os_crypt_unittest.cc',
             'ownership/owner_key_util_impl_unittest.cc',
             'packed_ct_ev_whitelist/bit_stream_reader_unittest.cc',
             'packed_ct_ev_whitelist/packed_ct_ev_whitelist_unittest.cc',
             'password_manager/core/browser/affiliation_fetcher_unittest.cc',
             'password_manager/core/browser/affiliation_utils_unittest.cc',
             'password_manager/core/browser/browser_save_password_progress_logger_unittest.cc',
+            'password_manager/core/browser/export/csv_writer_unittest.cc',
+            'password_manager/core/browser/import/csv_reader_unittest.cc',
             'password_manager/core/browser/log_router_unittest.cc',
             'password_manager/core/browser/login_database_unittest.cc',
             'password_manager/core/browser/password_autofill_manager_unittest.cc',
             'password_manager/core/browser/password_form_manager_unittest.cc',
             'password_manager/core/browser/password_generation_manager_unittest.cc',
             'password_manager/core/browser/password_manager_unittest.cc',
             'password_manager/core/browser/password_manager_url_collection_experiment_unittest.cc',
             'password_manager/core/browser/password_store_default_unittest.cc',
             'password_manager/core/browser/password_store_unittest.cc',
             'password_manager/core/browser/password_syncable_service_unittest.cc',
@@ skipping 907 matching lines @@
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }