Add --ignore-certificate-errors-spki-list switch and UMA histogram.

chrome/browser/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 1283 matching lines @@
     "ssl/cert_report_helper.cc",
     "ssl/cert_report_helper.h",
     "ssl/chrome_expect_ct_reporter.cc",
     "ssl/chrome_expect_ct_reporter.h",
     "ssl/chrome_ssl_host_state_delegate.cc",
     "ssl/chrome_ssl_host_state_delegate.h",
     "ssl/chrome_ssl_host_state_delegate_factory.cc",
     "ssl/chrome_ssl_host_state_delegate_factory.h",
     "ssl/common_name_mismatch_handler.cc",
     "ssl/common_name_mismatch_handler.h",
+    "ssl/ignore_errors_cert_verifier.cc",
+    "ssl/ignore_errors_cert_verifier.h",
     "ssl/security_state_tab_helper.cc",
     "ssl/security_state_tab_helper.h",
     "ssl/ssl_blocking_page.cc",
     "ssl/ssl_blocking_page.h",
     "ssl/ssl_cert_reporter.h",
     "ssl/ssl_client_certificate_selector.h",
     "ssl/ssl_error_handler.cc",
     "ssl/ssl_error_handler.h",
     "status_icons/status_icon.cc",
     "status_icons/status_icon.h",
@@ skipping 3440 matching lines @@
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }