Update SupportsUserData uses with unique_ptr.

chrome/browser/ssl/ssl_error_handler.h

 // Copyright 2014 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_SSL_ERROR_HANDLER_H_
 #define CHROME_BROWSER_SSL_SSL_ERROR_HANDLER_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 44 matching lines @@
 //
 // 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 SSLErrorHandler : public content::WebContentsUserData<SSLErrorHandler>,
                         public content::WebContentsObserver,
                         public content::NotificationObserver {
  public:
   typedef base::Callback<void(content::WebContents*)> TimerStartedCallback;
 
+  ~SSLErrorHandler() override;
+
   // Events for UMA. Do not rename or remove values, add new values to the end.
   // Public for testing.
   enum UMAEvent {
     HANDLE_ALL = 0,
     SHOW_CAPTIVE_PORTAL_INTERSTITIAL_NONOVERRIDABLE = 1,
     SHOW_CAPTIVE_PORTAL_INTERSTITIAL_OVERRIDABLE = 2,
     SHOW_SSL_INTERSTITIAL_NONOVERRIDABLE = 3,
     SHOW_SSL_INTERSTITIAL_OVERRIDABLE = 4,
     WWW_MISMATCH_FOUND = 5,  // Deprecated in M59 by WWW_MISMATCH_FOUND_IN_SAN.
     WWW_MISMATCH_URL_AVAILABLE = 6,
@@ skipping 61 matching lines @@
   SSLErrorHandler(
       std::unique_ptr<Delegate> delegate,
       content::WebContents* web_contents,
       Profile* profile,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
       const base::Callback<void(content::CertificateRequestResultType)>&
           callback);
 
-  ~SSLErrorHandler() override;
-
   // Called when an SSL cert error is encountered. Triggers a captive portal
   // check and fires a one shot timer to wait for a "captive portal detected"
   // result to arrive. Protected for testing.
   void StartHandlingError();
 
  private:
   void ShowCaptivePortalInterstitial(const GURL& landing_url);
   void ShowSSLInterstitial();
   void ShowBadClockInterstitial(const base::Time& now,
                                 ssl_errors::ClockState clock_state);
@@ skipping 36 matching lines @@
   base::OneShotTimer timer_;
 
   std::unique_ptr<CommonNameMismatchHandler> common_name_mismatch_handler_;
 
   base::WeakPtrFactory<SSLErrorHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLErrorHandler);
 };
 
 #endif  // CHROME_BROWSER_SSL_SSL_ERROR_HANDLER_H_