Move error classification into the ssl_errors component

chrome/browser/ssl/chrome_error_classification.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_ERROR_CLASSIFICATION_H_
+#define CHROME_BROWSER_SSL_CHROME_ERROR_CLASSIFICATION_H_
+
+#include "components/ssl_errors/error_classification.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+namespace base {
+class Time;
+}
+
+namespace content {
+class WebContents;
+}
+
+class GURL;
+
+namespace net {
+class X509Certificate;
+}
+
+// This class adds captive portal metrics to ssl_errors::ErrorClassification.
+// Together, they record all of Chrome's UMA metrics for SSL classification.
+//
+// This class should only be used on the UI thread because its
+// implementation uses captive_portal::CaptivePortalService which can only be
+// accessed on the UI thread.
+class ChromeErrorClassification : public ssl_errors::ErrorClassification,
+                                  public content::NotificationObserver {
+ public:
+  ChromeErrorClassification(content::WebContents* web_contents,
+                            const base::Time& current_time,
+                            const GURL& url,
+                            int cert_error,
+                            const net::X509Certificate& cert);
+  ~ChromeErrorClassification() override;
+
+  void RecordCaptivePortalUMAStatistics(bool overridable) const;
+
+ private:
+  // content::NotificationObserver:
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
+
+  // Is captive portal detection enabled?
+  bool captive_portal_detection_enabled_;
+  // Did the probe complete before the interstitial was closed?
+  bool captive_portal_probe_completed_;
+  // Did the captive portal probe receive an error or get a non-HTTP response?
+  bool captive_portal_no_response_;
+  // Was a captive portal detected?
+  bool captive_portal_detected_;
+
+  content::NotificationRegistrar registrar_;
+};
+
+#endif  // CHROME_BROWSER_SSL_CHROME_ERROR_CLASSIFICATION_H_