Refactor SecurityStateModel/Clients for simplicity and reusability.

chrome/browser/ssl/chrome_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_CHROME_SECURITY_STATE_MODEL_H_
+#define CHROME_BROWSER_SSL_CHROME_SECURITY_STATE_MODEL_H_
+
+#include <memory>
+
+#include "base/gtest_prod_util.h"
+#include "base/macros.h"
+#include "components/security_state/content/web_contents_security_state_model.h"
+#include "components/security_state/core/security_state_model.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 NavigationEntry;
+class NavigationHandle;
+class WebContents;
+}  // namespace content
+
+// Provides a WebContentsSecurityStateModel with chrome-specific information
+// that it needs to determine the page's security status.
+class ChromeSecurityStateModel
+    : public content::WebContentsObserver,
+      public content::WebContentsUserData<ChromeSecurityStateModel> {
+ public:
+  ~ChromeSecurityStateModel() override;
+
+  // See WebContentsSecurityStateModel::GetSecurityInfo.
+  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;
+
+ private:
+  explicit ChromeSecurityStateModel(content::WebContents* web_contents);
+  friend class content::WebContentsUserData<ChromeSecurityStateModel>;
+
+  // For web_contents_model_.
+  FRIEND_TEST_ALL_PREFIXES(ChromeSecurityStateModelTest,
+                           VisibleSecurityStateNonsecureFormInputs);
+
+  bool UsedPolicyInstalledCertificate() const;
+  bool GetMalwareStatus() const;
+
+  std::unique_ptr<security_state::WebContentsSecurityStateModel>
+      web_contents_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(ChromeSecurityStateModel);
+};
+
+#endif  // CHROME_BROWSER_SSL_CHROME_SECURITY_STATE_MODEL_H_