Ensure ChromeURLRequestContext finds out first about extension loading

chrome/browser/net/chrome_url_request_context.h

 // Copyright (c) 2009 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.
 
 #include "base/file_path.h"
 #include "chrome/common/appcache/chrome_appcache_service.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/pref_service.h"
 #include "net/url_request/url_request_context.h"
 
@@ skipping 65 matching lines @@
 
   virtual const std::string& GetUserAgent(const GURL& url) const;
 
   virtual bool InterceptCookie(const URLRequest* request, std::string* cookie);
 
   virtual bool AllowSendingCookies(const URLRequest* request) const;
 
   // Gets the Privacy Blacklist, if any for this context.
   const Blacklist* blacklist() const { return blacklist_; }
 
+  // Callback for when new extensions are loaded.
+  void OnNewExtensions(const std::string& id, const FilePath& path);
+
+  // Callback for when an extension is unloaded.
+  void OnUnloadedExtension(const std::string& id);
+
  protected:
   // Private constructors, use the static factory methods instead. This is
   // expected to be called on the UI thread.
   ChromeURLRequestContext(
       Profile* profile, ChromeAppCacheService* appcache_service);
   ChromeURLRequestContext(ChromeURLRequestContext* other);
 
   // Create a request context for media resources from a regular request
   // context. This helper method is called from CreateOriginalForMedia and
   // CreateOffTheRecordForMedia.
   static ChromeURLRequestContext* CreateRequestContextForMedia(Profile* profile,
       const FilePath& disk_cache_path, int cache_size, bool off_the_record,
       ChromeAppCacheService* appache_service);
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Callback for when the accept language changes.
   void OnAcceptLanguageChange(const std::string& accept_language);
 
   // Callback for when the cookie policy changes.
   void OnCookiePolicyChange(net::CookiePolicy::Type type);
 
   // Callback for when the default charset changes.
   void OnDefaultCharsetChange(const std::string& default_charset);
 
-  // Callback for when new extensions are loaded.
-  void OnNewExtensions(ExtensionPaths* new_paths);
-
-  // Callback for when an extension is unloaded.
-  void OnUnloadedExtension(const std::string& id);
-
   // Destructor.
   virtual ~ChromeURLRequestContext();
 
   NotificationRegistrar registrar_;
 
   // Maps extension IDs to paths on disk. This is initialized in the
   // construtor and updated when extensions changed.
   ExtensionPaths extension_paths_;
 
   // Path to the directory user scripts are stored in.
   FilePath user_script_dir_path_;
 
   scoped_refptr<ChromeAppCacheService> appcache_service_;
 
   PrefService* prefs_;
   const Blacklist* blacklist_;
   bool is_media_;
   bool is_off_the_record_;
 };
 
 // Creates a proxy configuration using the overrides specified on the command
 // line. Returns NULL if the system defaults should be used instead.
 net::ProxyConfig* CreateProxyConfig(const CommandLine& command_line);