Modified cancel and interrupt processing to avoid race with history.

content/browser/net/url_request_slow_download_job.h

 // Copyright (c) 2010 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.
 // This class simulates a slow download.  This used in a UI test to test the
 // download manager.  Requests to |kUnknownSizeUrl| and |kKnownSizeUrl| start
-// downloads that pause after the first
+// downloads that pause after the first chunk of data is delivered.
+// A later request to |kFinishDownloadUrl| will finish these downloads.
+// A later request to |kErrorFinishDownloadUrl| will cause these
+// downloads to error with |net::ERR_FAILED|.
+// TODO(rdsmith): Update to allow control of returned error.
 
 #ifndef CONTENT_BROWSER_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_
 #define CONTENT_BROWSER_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/task.h"
 #include "net/url_request/url_request_job.h"
@@ skipping 12 matching lines @@
   virtual void GetResponseInfo(net::HttpResponseInfo* info);
   virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int *bytes_read);
 
   static net::URLRequestJob* Factory(net::URLRequest* request,
                                      const std::string& scheme);
 
   // Test URLs.
   static const char kUnknownSizeUrl[];
   static const char kKnownSizeUrl[];
   static const char kFinishDownloadUrl[];
+  static const char kErrorFinishDownloadUrl[];
 
   // Adds the testing URLs to the net::URLRequestFilter.
   static void AddUrlHandler();
 
  private:
   virtual ~URLRequestSlowDownloadJob();
 
   void GetResponseInfoConst(net::HttpResponseInfo* info) const;
 
   // Mark all pending requests to be finished.  We keep track of pending
   // requests in |kPendingRequests|.
-  static void FinishPendingRequests();
+  static void FinishPendingRequests(bool error);
   static std::vector<URLRequestSlowDownloadJob*> kPendingRequests;
 
   void StartAsync();
 
   void set_should_finish_download() { should_finish_download_ = true; }
+  void set_should_error_download() { should_error_download_ = true; }
 
   int first_download_size_remaining_;
   bool should_finish_download_;
   bool should_send_second_chunk_;
+  bool should_error_download_;
 
   ScopedRunnableMethodFactory<URLRequestSlowDownloadJob> method_factory_;
 };
 
 #endif  // CONTENT_BROWSER_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_