Remove the SHA-1 deprecation field trial code; the plan is live

chrome/browser/ui/android/toolbar/toolbar_model_android.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 "chrome/browser/ui/android/toolbar/toolbar_model_android.h"
 
 #include "base/android/jni_string.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
@@ skipping 99 matching lines @@
     return false;
 
   const content::SSLStatus& ssl = entry->GetSSL();
   if (ssl.security_style == content::SECURITY_STYLE_AUTHENTICATED) {
     scoped_refptr<net::X509Certificate> cert;
     // NOTE: This constant needs to be kept in sync with
     // ToolbarModelImpl::GetSecurityLevelForWebContents().
     static const int64_t kJanuary2016 = INT64_C(13096080000000000);
     if (content::CertStore::GetInstance()->RetrieveCert(ssl.cert_id, &cert) &&
         (ssl.cert_status & net::CERT_STATUS_SHA1_SIGNATURE_PRESENT) &&
-        cert->valid_expiry() > base::Time::FromInternalValue(kJanuary2016) &&
-        // NOTE: This use of SHA1IdentityUIWarning needs to be kept in sync
-        // with WebsiteSettings::Init().
-        base::FieldTrialList::FindFullName("SHA1IdentityUIWarning") ==
-            "Enabled") {
+        cert->valid_expiry() > base::Time::FromInternalValue(kJanuary2016)) {
       return true;
     }
   }
   return false;
 }