Refactor SecurityStateModel/Clients for simplicity and reusability.

chrome/browser/ssl/chrome_security_state_model_client.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_CHROME_SECURITY_STATE_MODEL_CLIENT_H_
-#define CHROME_BROWSER_SSL_CHROME_SECURITY_STATE_MODEL_CLIENT_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "components/security_state/security_state_model.h"
-#include "components/security_state/security_state_model_client.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "content/public/browser/web_contents_user_data.h"
-#include "third_party/WebKit/public/platform/WebSecurityStyle.h"
-
-namespace content {
-struct SecurityStyleExplanations;
-class NavigationHandle;
-class WebContents;
-}  // namespace content
-
-// Uses a WebContents to provide a SecurityStateModel with the
-// information that it needs to determine the page's security status.
-class ChromeSecurityStateModelClient
-    : public security_state::SecurityStateModelClient,
-      public content::WebContentsObserver,
-      public content::WebContentsUserData<ChromeSecurityStateModelClient> {
- public:
-  ~ChromeSecurityStateModelClient() override;
-
-  void GetSecurityInfo(
-      security_state::SecurityStateModel::SecurityInfo* result) const;
-
-  // Called when the NavigationEntry's SSLStatus changes.
-  void VisibleSSLStateChanged();
-
-  // content::WebContentsObserver:
-  void DidFinishNavigation(
-      content::NavigationHandle* navigation_handle) override;
-
-  // Returns the SecurityStyle that should be applied to a WebContents
-  // with the given |security_info|. Populates
-  // |security_style_explanations| to explain why the returned
-  // SecurityStyle was chosen.
-  static blink::WebSecurityStyle GetSecurityStyle(
-      const security_state::SecurityStateModel::SecurityInfo& security_info,
-      content::SecurityStyleExplanations* security_style_explanations);
-
-  // SecurityStateModelClient:
-  void GetVisibleSecurityState(
-      security_state::SecurityStateModel::VisibleSecurityState* state) override;
-  bool UsedPolicyInstalledCertificate() override;
-  bool IsOriginSecure(const GURL& url) override;
-
- private:
-  explicit ChromeSecurityStateModelClient(content::WebContents* web_contents);
-  friend class content::WebContentsUserData<ChromeSecurityStateModelClient>;
-
-  content::WebContents* web_contents_;
-  std::unique_ptr<security_state::SecurityStateModel> security_state_model_;
-
-  // True if a console has been logged about an omnibox warning that
-  // will be shown in future versions of Chrome for insecure HTTP
-  // pages. This message should only be logged once per main-frame
-  // navigation.
-  bool logged_http_warning_on_current_navigation_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeSecurityStateModelClient);
-};
-
-#endif  // CHROME_BROWSER_SSL_CHROME_SECURITY_STATE_MODEL_CLIENT_H_