CHECK that URLRequestJobs are not orphaned while blocked by extensions.

net/base/network_delegate.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 NET_BASE_NETWORK_DELEGATE_H_
 #define NET_BASE_NETWORK_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 73 matching lines @@
       const HttpResponseHeaders* original_response_headers,
       scoped_refptr<HttpResponseHeaders>* override_response_headers,
       GURL* allowed_unsafe_redirect_url);
   void NotifyBeforeRedirect(URLRequest* request,
                             const GURL& new_location);
   void NotifyResponseStarted(URLRequest* request);
   void NotifyNetworkBytesReceived(const URLRequest& request,
                                   int64_t bytes_received);
   void NotifyCompleted(URLRequest* request, bool started);
   void NotifyURLRequestDestroyed(URLRequest* request);
+  void NotifyURLRequestJobOrphaned(URLRequest* request);
   void NotifyPACScriptError(int line_number, const base::string16& error);
   AuthRequiredResponse NotifyAuthRequired(URLRequest* request,
                                           const AuthChallengeInfo& auth_info,
                                           const AuthCallback& callback,
                                           AuthCredentials* credentials);
   bool CanGetCookies(const URLRequest& request,
                      const CookieList& cookie_list);
   bool CanSetCookie(const URLRequest& request,
                     const std::string& cookie_line,
                     CookieOptions* options);
@@ skipping 111 matching lines @@
   // Indicates that the URL request has been completed or failed.
   // |started| indicates whether the request has been started. If false,
   // some information like the socket address is not available.
   virtual void OnCompleted(URLRequest* request, bool started) = 0;
 
   // Called when an URLRequest is being destroyed. Note that the request is
   // being deleted, so it's not safe to call any methods that may result in
   // a virtual method call.
   virtual void OnURLRequestDestroyed(URLRequest* request) = 0;
 
+  // Called when the current job for |request| is orphaned. This is a temporary
+  // callback to diagnose https://crbug.com/289715 and may not be used for other
+  // purposes. Note that it may be called after OnURLRequestDestroyed.
+  //
+  // TODO(davidben): Remove this once data has been gathered.
+  virtual void OnURLRequestJobOrphaned(URLRequest* request) = 0;
+
   // Corresponds to ProxyResolverJSBindings::OnError.
   virtual void OnPACScriptError(int line_number,
                                 const base::string16& error) = 0;
 
   // Called when a request receives an authentication challenge
   // specified by |auth_info|, and is unable to respond using cached
   // credentials. |callback| and |credentials| must be non-NULL, and must
   // be valid until OnURLRequestDestroyed is called for |request|.
   //
   // The following return values are allowed:
@@ skipping 54 matching lines @@
   // header is stripped from the request.
   virtual bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
       const URLRequest& request,
       const GURL& target_url,
       const GURL& referrer_url) const = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NETWORK_DELEGATE_H_