Wrap SSL error handler configuration with a lazy instance

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 11 matching lines @@
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 #include "net/ssl/ssl_info.h"
 #include "url/gurl.h"
 
 class CommonNameMismatchHandler;
 class Profile;
 
 namespace base {
 class Clock;
+class TimeDelta;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace network_time {
 class NetworkTimeTracker;
 }
 
 // This class is responsible for deciding what type of interstitial to show for
 // an SSL validation error. The display of the interstitial might be delayed by
-// a few seconds (2 by default) while trying to determine the cause of the
-// error. During this window, the class will: check for a clock error, wait for
-// a name-mismatch suggested URL, or wait for a captive portal result to arrive.
-// If there is a name mismatch error and a corresponding suggested URL
-// result arrives in this window, the user is redirected to the suggested URL.
+// a few seconds while trying to determine the cause of the error. During this
+// window, the class will: check for a clock error, wait for a name-mismatch
+// suggested URL, or wait for a captive portal result to arrive. If there is a
+// name mismatch error and a corresponding suggested URL result arrives in this
+// window, the user is redirected to the suggested URL.
 // Failing that, if a captive portal detected result arrives in the time window,
 // a captive portal error page is shown. If none of these potential error
 // causes match, an SSL interstitial is shown.
 //
 // 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;
 
   // Entry point for the class. The parameters are the same as SSLBlockingPage
   // constructor.
   static void HandleSSLError(
       content::WebContents* web_contents,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
       int options_mask,
       std::unique_ptr<SSLCertReporter> ssl_cert_reporter,
       const base::Callback<void(content::CertificateRequestResultType)>&
           callback);
 
   // Testing methods.
-  static void SetInterstitialDelayForTest(base::TimeDelta delay);
+  static void SetInterstitialDelayForTesting(const base::TimeDelta& delay);
   // The callback pointer must remain valid for the duration of error handling.
-  static void SetInterstitialTimerStartedCallbackForTest(
+  static void SetInterstitialTimerStartedCallbackForTesting(
       TimerStartedCallback* callback);
-  static void SetClockForTest(base::Clock* testing_clock);
-  static void SetNetworkTimeTrackerForTest(
+  static void SetClockForTesting(base::Clock* testing_clock);
+  static void SetNetworkTimeTrackerForTesting(
       network_time::NetworkTimeTracker* tracker);
 
  protected:
   // The parameters are the same as SSLBlockingPage's constructor.
   SSLErrorHandler(content::WebContents* web_contents,
                   int cert_error,
                   const net::SSLInfo& ssl_info,
                   const GURL& request_url,
                   int options_mask,
                   std::unique_ptr<SSLCertReporter> ssl_cert_reporter,
@@ skipping 62 matching lines @@
   std::unique_ptr<CommonNameMismatchHandler> common_name_mismatch_handler_;
 
   std::unique_ptr<SSLCertReporter> ssl_cert_reporter_;
 
   base::WeakPtrFactory<SSLErrorHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLErrorHandler);
 };
 
 #endif  // CHROME_BROWSER_SSL_SSL_ERROR_HANDLER_H_