Revert of Refactor connection_security into SecurityStateModel

chrome/browser/ssl/security_state_model.h

-// 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.
-
-#ifndef CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_H_
-#define CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_H_
-
-#include "base/macros.h"
-#include "content/public/browser/web_contents_user_data.h"
-#include "content/public/common/security_style.h"
-#include "content/public/common/ssl_status.h"
-#include "net/cert/cert_status_flags.h"
-#include "net/cert/sct_status_flags.h"
-#include "net/cert/x509_certificate.h"
-
-namespace content {
-class WebContents;
-}  // namespace content
-
-class Profile;
-
-// SecurityStateModel provides high-level security information about a
-// page or request. It is attached to a WebContents and will provide the
-// security info for that WebContents. SecurityStateModel must be
-// notified when its WebContents's security state changes, by calling
-// SecurityStateModel::SecurityStateChanged().
-//
-// SecurityStateModel::SecurityInfo is the main data structure computed
-// by a SecurityStateModel. SecurityInfo contains a SecurityLevel (which
-// is a single value describing the overall security state) along with
-// information that a consumer might want to display in UI to explain or
-// elaborate on the SecurityLevel.
-class SecurityStateModel
-    : public content::WebContentsUserData<SecurityStateModel> {
- public:
-  // Describes the overall security state of the page.
-  //
-  // If you reorder, add, or delete values from this enum, you must also
-  // update the UI icons in ToolbarModelImpl::GetIconForSecurityLevel.
-  //
-  // A Java counterpart will be generated for this enum.
-  // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ssl
-  // GENERATED_JAVA_CLASS_NAME_OVERRIDE: ConnectionSecurityLevel
-  enum SecurityLevel {
-    // HTTP/no URL/HTTPS but with insecure passive content on the page
-    NONE,
-
-    // HTTPS with valid EV cert
-    EV_SECURE,
-
-    // HTTPS (non-EV) with valid cert
-    SECURE,
-
-    // HTTPS, but unable to check certificate revocation status or with
-    // errors
-    SECURITY_WARNING,
-
-    // HTTPS, but the certificate verification chain is anchored on a
-    // certificate that was installed by the system administrator
-    SECURITY_POLICY_WARNING,
-
-    // Attempted HTTPS and failed, page not authenticated; or HTTPS with
-    // insecure active content on the page
-    SECURITY_ERROR,
-  };
-
-  // Describes how the SHA1 deprecation policy applies to an HTTPS
-  // connection.
-  enum SHA1DeprecationStatus {
-    // No SHA1 deprecation policy applies.
-    NO_DEPRECATED_SHA1,
-    // The connection used a certificate with a SHA1 signature in the
-    // chain, and policy says that the connection should be treated with a
-    // warning.
-    DEPRECATED_SHA1_WARNING,
-    // The connection used a certificate with a SHA1 signature in the
-    // chain, and policy says that the connection should be treated as
-    // broken HTTPS.
-    DEPRECATED_SHA1_BROKEN,
-  };
-
-  // Describes the type of mixed content (if any) that a site
-  // displayed/ran.
-  enum MixedContentStatus {
-    NO_MIXED_CONTENT,
-    // The site displayed nonsecure resources (passive mixed content).
-    DISPLAYED_MIXED_CONTENT,
-    // The site ran nonsecure resources (active mixed content).
-    RAN_MIXED_CONTENT,
-    // The site both ran and displayed nonsecure resources.
-    RAN_AND_DISPLAYED_MIXED_CONTENT,
-  };
-
-  // Describes the security status of a page or request. This is the
-  // main data structure provided by this class.
-  struct SecurityInfo {
-    SecurityInfo();
-    ~SecurityInfo();
-    SecurityLevel security_level;
-    SHA1DeprecationStatus sha1_deprecation_status;
-    MixedContentStatus mixed_content_status;
-    // The verification statuses of the signed certificate timestamps
-    // for the connection.
-    std::vector<net::ct::SCTVerifyStatus> sct_verify_statuses;
-    bool scheme_is_cryptographic;
-    net::CertStatus cert_status;
-    int cert_id;
-    // The security strength, in bits, of the SSL cipher suite.
-    // 0 means the connection is not encrypted.
-    // -1 means the security strength is unknown.
-    int security_bits;
-    // Information about the SSL connection, such as protocol and
-    // ciphersuite. See ssl_connection_flags.h in net.
-    int connection_status;
-  };
-
-  // These security styles describe the treatment given to pages that
-  // display and run mixed content. They are used to coordinate the
-  // treatment of mixed content with other security UI elements.
-  static const content::SecurityStyle kDisplayedInsecureContentStyle;
-  static const content::SecurityStyle kRanInsecureContentStyle;
-
-  ~SecurityStateModel() override;
-
-  // Notifies the SecurityStateModel that the security status of the
-  // page has changed and that the SecurityInfo should be updated
-  // accordingly.
-  void SecurityStateChanged();
-
-  // Returns a SecurityInfo describing the page as of the last call to
-  // SecurityStateChanged().
-  const SecurityInfo& security_info() const;
-
-  // Returns a SecurityInfo describing an individual request for the
-  // given |profile|.
-  static void SecurityInfoForRequest(const GURL& url,
-                                     const content::SSLStatus& ssl,
-                                     Profile* profile,
-                                     SecurityInfo* security_info);
-
- private:
-  explicit SecurityStateModel(content::WebContents* web_contents);
-  friend class content::WebContentsUserData<SecurityStateModel>;
-
-  // The WebContents for which this class describes the security status.
-  content::WebContents* web_contents_;
-  SecurityInfo security_info_;
-
-  DISALLOW_COPY_AND_ASSIGN(SecurityStateModel);
-};
-
-#endif  // CHROME_BROWSER_SSL_SECURITY_STATE_MODEL_H_