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

content/browser/ssl/ssl_error_handler.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SSL_SSL_ERROR_HANDLER_H_
 #define CONTENT_BROWSER_SSL_SSL_ERROR_HANDLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 88 matching lines @@
   // call this.
   void TakeNoAction();
 
   int render_process_id() const { return render_process_id_; }
   int render_view_id() const { return render_view_id_; }
 
  protected:
   friend class base::RefCountedThreadSafe<SSLErrorHandler>;
 
   // Construct on the IO thread.
-  SSLErrorHandler(base::WeakPtr<Delegate> delegate,
+  SSLErrorHandler(const base::WeakPtr<Delegate>& delegate,
                   const content::GlobalRequestID& id,
                   ResourceType::Type resource_type,
                   const GURL& url,
                   int render_process_id,
                   int render_view_id);
 
   virtual ~SSLErrorHandler();
 
   // The following 2 methods are the methods subclasses should implement.
   virtual void OnDispatchFailed();
@@ skipping 40 matching lines @@
   const ResourceType::Type resource_type_;
 
   // A flag to make sure we notify the net::URLRequest exactly once.
   // Should only be accessed on the IO thread
   bool request_has_been_notified_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLErrorHandler);
 };
 
 #endif  // CONTENT_BROWSER_SSL_SSL_ERROR_HANDLER_H_