Move Extension Location and Type enums to Manifest, and move InstallWarning to its own file.

chrome/browser/extensions/updater/extension_downloader.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_EXTENSION_DOWNLOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 117 matching lines @@
     std::string id;
     GURL url;
     std::string package_hash;
     std::string version;
     std::set<int> request_ids;
   };
 
   // Helper for AddExtension() and AddPendingExtension().
   bool AddExtensionData(const std::string& id,
                         const Version& version,
-                        Extension::Type extension_type,
+                        Manifest::Type extension_type,
                         const GURL& extension_update_url,
                         const std::string& update_url_data,
                         int request_id);
 
   // Adds all recorded stats taken so far to histogram counts.
   void ReportStats() const;
 
   // Begins an update check.
   void StartUpdateCheck(scoped_ptr<ManifestFetchData> fetch_data);
 
@@ skipping 76 matching lines @@
 
   // Maps an extension-id to its PingResult data.
   std::map<std::string, ExtensionDownloaderDelegate::PingResult> ping_results_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionDownloader);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_EXTENSION_DOWNLOADER_H_