Inherits SupportsWeakPtr<T> instead of having WeakPtrFactory<T>

content/browser/ssl/ssl_cert_error_handler.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/ssl/ssl_cert_error_handler.h"
 
 #include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
 #include "content/browser/ssl/ssl_manager.h"
 #include "content/browser/ssl/ssl_policy.h"
 #include "net/base/cert_status_flags.h"
 #include "net/base/x509_certificate.h"
 
 using content::ResourceDispatcherHostImpl;
 
 SSLCertErrorHandler::SSLCertErrorHandler(
-    base::WeakPtr<Delegate> delegate,
+    const base::WeakPtr<Delegate>& delegate,
     const content::GlobalRequestID& id,
     ResourceType::Type resource_type,
     const GURL& url,
     int render_process_id,
     int render_view_id,
     const net::SSLInfo& ssl_info,
     bool fatal)
     : SSLErrorHandler(delegate, id, resource_type, url, render_process_id,
           render_view_id),
       ssl_info_(ssl_info),
@@ skipping 14 matching lines @@
   } else {
     CancelRequest();
   }
 }
 
 void SSLCertErrorHandler::OnDispatched() {
   manager_->policy()->OnCertError(this);
 }
 
 SSLCertErrorHandler::~SSLCertErrorHandler() {}