Pull SecurityStateModel out into a component

chrome/browser/ssl/chrome_security_state_model_client.cc

 // Copyright 2015 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 "chrome/browser/ssl/chrome_security_state_model_client.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "build/build_config.h"
 #include "chrome/browser/chromeos/policy/policy_cert_service.h"
 #include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/origin_util.h"
 #include "content/public/common/ssl_status.h"
 #include "net/cert/x509_certificate.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(ChromeSecurityStateModelClient);
 
+using security_state::SecurityStateModel;
+
 namespace {
 
 // Converts a content::SecurityStyle (an indicator of a request's
 // overall security level computed by //content) into a
 // SecurityStateModel::SecurityLevel (a finer-grained SecurityStateModel
 // concept that can express all of SecurityStateModel's policies that
 // //content doesn't necessarily know about).
 SecurityStateModel::SecurityLevel GetSecurityLevelForSecurityStyle(
     content::SecurityStyle style) {
   switch (style) {
@@ skipping 78 matching lines @@
   for (const auto& sct : ssl.signed_certificate_timestamp_ids)
     state->sct_verify_statuses.push_back(sct.status);
   state->displayed_mixed_content =
       (ssl.content_status & content::SSLStatus::DISPLAYED_INSECURE_CONTENT)
           ? true
           : false;
   state->ran_mixed_content =
       (ssl.content_status & content::SSLStatus::RAN_INSECURE_CONTENT) ? true
                                                                       : false;
 }