Revert "Added incident report for variations seed signature mismatch."

chrome/chrome_browser.gypi

 # Copyright 2012 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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 2599 matching lines @@
       'browser/safe_browsing/incident_reporting/incident_report_uploader_impl.cc',
       'browser/safe_browsing/incident_reporting/incident_report_uploader_impl.h',
       'browser/safe_browsing/incident_reporting/last_download_finder.cc',
       'browser/safe_browsing/incident_reporting/last_download_finder.h',
       'browser/safe_browsing/incident_reporting/module_integrity_verifier_win.cc',
       'browser/safe_browsing/incident_reporting/module_integrity_verifier_win.h',
       'browser/safe_browsing/incident_reporting/preference_validation_delegate.cc',
       'browser/safe_browsing/incident_reporting/preference_validation_delegate.h',
       'browser/safe_browsing/incident_reporting/tracked_preference_incident_handlers.cc',
       'browser/safe_browsing/incident_reporting/tracked_preference_incident_handlers.h',
-      'browser/safe_browsing/incident_reporting/variations_seed_signature_analyzer.cc',
-      'browser/safe_browsing/incident_reporting/variations_seed_signature_analyzer.h',
-      'browser/safe_browsing/incident_reporting/variations_seed_signature_incident_handlers.cc',
-      'browser/safe_browsing/incident_reporting/variations_seed_signature_incident_handlers.h',
       'browser/safe_browsing/path_sanitizer.cc',
       'browser/safe_browsing/path_sanitizer.h',
       'browser/safe_browsing/pe_image_reader_win.cc',
       'browser/safe_browsing/pe_image_reader_win.h',
       'browser/safe_browsing/prefix_set.cc',
       'browser/safe_browsing/prefix_set.h',
       'browser/safe_browsing/protocol_manager.cc',
       'browser/safe_browsing/protocol_manager.h',
       'browser/safe_browsing/protocol_parser.cc',
       'browser/safe_browsing/protocol_parser.h',
@@ skipping 982 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }