Introduce ExtensionsService. Load extensions on startup from a directory in...

chrome/browser/profile.h

Index: chrome/browser/profile.h
===================================================================
--- chrome/browser/profile.h	(revision 6350)
+++ chrome/browser/profile.h	(working copy)
@@ -24,6 +24,7 @@
 
 class BookmarkModel;
 class DownloadManager;
+class ExtensionsService;
 class GreasemonkeyMaster;
 class HistoryService;
 class NavigationController;
@@ -102,6 +103,10 @@
   // that this method is called.
   virtual VisitedLinkMaster* GetVisitedLinkMaster() = 0;
 
+  // Retrieves a pointer to the ExtensionsService associated with this
+  // profile. The ExtensionsService is created at startup.
+  virtual ExtensionsService* GetExtensionsService() = 0;
+
   // Retrieves a pointer to the GreasemonkeyMaster associated with this
   // profile.  The GreasemonkeyMaster is lazily created the first time
   // that this method is called.
@@ -243,6 +248,7 @@
   virtual Profile* GetOriginalProfile();
   virtual VisitedLinkMaster* GetVisitedLinkMaster();
   virtual GreasemonkeyMaster* GetGreasemonkeyMaster();
+  virtual ExtensionsService* GetExtensionsService();
   virtual HistoryService* GetHistoryService(ServiceAccessType sat);
   virtual WebDataService* GetWebDataService(ServiceAccessType sat);
   virtual PrefService* GetPrefs();
@@ -303,6 +309,7 @@
   std::wstring path_;
   bool off_the_record_;
   scoped_ptr<VisitedLinkMaster> visited_link_master_;
+  scoped_refptr<ExtensionsService> extensions_service_;
   scoped_refptr<GreasemonkeyMaster> greasemonkey_master_;
   scoped_ptr<PrefService> prefs_;
   scoped_ptr<TemplateURLFetcher> template_url_fetcher_;