Factor Chrome details out of update manifest fetching.

extensions/browser/updater/manifest_fetch_data.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 CHROME_BROWSER_EXTENSIONS_UPDATER_MANIFEST_FETCH_DATA_H_
-#define CHROME_BROWSER_EXTENSIONS_UPDATER_MANIFEST_FETCH_DATA_H_
+#ifndef EXTENSIONS_BROWSER_UPDATER_MANIFEST_FETCH_DATA_H_
+#define EXTENSIONS_BROWSER_UPDATER_MANIFEST_FETCH_DATA_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "url/gurl.h"
 
 namespace extensions {
 
+class ManifestFetchDataDelegate;
+
 // To save on server resources we can request updates for multiple extensions
 // in one manifest check. This class helps us keep track of the id's for a
 // given fetch, building up the actual URL, and what if anything to include
 // in the ping parameter.
 class ManifestFetchData {
  public:
   static const int kNeverPinged = -1;
 
   // Each ping type is sent at most once per day.
   enum PingType {
@@ skipping 12 matching lines @@
     int rollcall_days;
     int active_days;
     // Wether the extension is enabled or not.
     bool is_enabled;
 
     PingData() : rollcall_days(0), active_days(0), is_enabled(true) {}
     PingData(int rollcall, int active, bool enabled)
         : rollcall_days(rollcall), active_days(active), is_enabled(enabled) {}
   };
 
-  ManifestFetchData(const GURL& update_url, int request_id);
+  ManifestFetchData(const GURL& update_url,
+                    int request_id,
+                    ManifestFetchDataDelegate* delegate);
   ~ManifestFetchData();
 
   // Returns true if this extension information was successfully added. If the
   // return value is false it means the full_url would have become too long, and
   // this ManifestFetchData object remains unchanged.
   bool AddExtension(const std::string& id,
                     const std::string& version,
                     const PingData* ping_data,
                     const std::string& update_url_data,
                     const std::string& install_source);
@@ skipping 29 matching lines @@
   // The base update url plus arguments indicating the id, version, etc.
   // information about each extension.
   GURL full_url_;
 
   // The set of request ids associated with this manifest fetch. If multiple
   // requests are trying to fetch the same manifest, they can be merged into
   // one fetch, so potentially multiple request ids can get associated with
   // one ManifestFetchData.
   std::set<int> request_ids_;
 
+  // The delegate to use for fetch details. Must outlive this ManifestFetchData
+  // instance.
+  ManifestFetchDataDelegate* delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(ManifestFetchData);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_MANIFEST_FETCH_DATA_H_
+#endif  // EXTENSIONS_BROWSER_UPDATER_MANIFEST_FETCH_DATA_H_