Report an error message when an update job results in an error.

webkit/appcache/appcache_interfaces.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.
 
 #ifndef WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_
 #define WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_
 
 #include <string>
 #include <vector>
 #include "base/basictypes.h"
@@ skipping 45 matching lines @@
  public:
   virtual void OnCacheSelected(int host_id, int64 cache_id ,
                                Status status) = 0;
   virtual void OnStatusChanged(const std::vector<int>& host_ids,
                                Status status) = 0;
   virtual void OnEventRaised(const std::vector<int>& host_ids,
                              EventID event_id) = 0;
   virtual void OnProgressEventRaised(const std::vector<int>& host_ids,
                                      const GURL& url,
                                      int num_total, int num_complete) = 0;
+  virtual void OnErrorEventRaised(const std::vector<int>& host_ids,
+                                  const std::string& message) = 0;
   virtual void OnContentBlocked(int host_id,
                                 const GURL& manifest_url) = 0;
   virtual void OnLogMessage(int host_id, LogLevel log_level,
                             const std::string& message) = 0;
   virtual ~AppCacheFrontend() {}
 };
 
 // Interface used by frontend (renderer) to talk to backend (browser-process).
 class AppCacheBackend {
  public:
@@ skipping 30 matching lines @@
 
 bool IsSchemeSupported(const GURL& url);
 bool IsMethodSupported(const std::string& method);
 bool IsSchemeAndMethodSupported(const URLRequest* request);
 
 extern const FilePath::CharType kAppCacheDatabaseName[];
 
 }  // namespace
 
 #endif  // WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_