Remove SSLStatus::security_style member and content::SecurityStyle

content/common/security_style_util.h

-// 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.
-
-#ifndef CONTENT_COMMON_SECURITY_STYLE_UTIL_H_
-#define CONTENT_COMMON_SECURITY_STYLE_UTIL_H_
-
-#include "content/public/common/security_style.h"
-#include "net/cert/cert_status_flags.h"
-
-class GURL;
-
-namespace content {
-
-// Returns a security style describing an individual resource. Does
-// not take into account any of the page- or host-level state such as
-// mixed content or whether the host has run insecure content.
-SecurityStyle GetSecurityStyleForResource(const GURL& url,
-                                          bool has_certificate,
-                                          net::CertStatus cert_status);
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_SECURITY_STYLE_UTIL_H_