Remove SSLStatus::security_style member and content::SecurityStyle

content/common/security_style_util.cc

-// Copyright 2016 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 "content/common/security_style_util.h"
-
-#include "url/gurl.h"
-
-namespace content {
-
-SecurityStyle GetSecurityStyleForResource(
-    const GURL& url,
-    bool has_certificate,
-    net::CertStatus cert_status) {
-  // An HTTPS response may not have a certificate for some reason.  When that
-  // happens, use the unauthenticated (HTTP) rather than the authentication
-  // broken security style so that we can detect this error condition.
-  if (!url.SchemeIsCryptographic() || !has_certificate)
-    return SECURITY_STYLE_UNAUTHENTICATED;
-
-  // Minor errors don't lower the security style to
-  // SECURITY_STYLE_AUTHENTICATION_BROKEN.
-  if (net::IsCertStatusError(cert_status) &&
-      !net::IsCertStatusMinorError(cert_status)) {
-    return SECURITY_STYLE_AUTHENTICATION_BROKEN;
-  }
-
-  return SECURITY_STYLE_AUTHENTICATED;
-}
-
-}  // namespace content