When extension is blacklisted by admin policy, it should be removed if alread...

chrome/browser/extensions/extensions_service.h

Index: chrome/browser/extensions/extensions_service.h
===================================================================
--- chrome/browser/extensions/extensions_service.h	(revision 56844)
+++ chrome/browser/extensions/extensions_service.h	(working copy)
@@ -88,6 +88,7 @@
                                       bool include_disabled) = 0;
   virtual void UpdateExtensionBlacklist(
     const std::vector<std::string>& blacklist) = 0;
+  virtual void CheckAdminBlacklist() = 0;
   virtual bool HasInstalledExtensions() = 0;
 
   virtual ExtensionPrefs* extension_prefs() = 0;
@@ -320,6 +321,11 @@
   virtual void UpdateExtensionBlacklist(
     const std::vector<std::string>& blacklist);
 
+  // Go through each extension and unload those that the network admin has
+  // put on the blacklist (not to be confused with the Google managed blacklist
+  // set of extensions.
+  virtual void CheckAdminBlacklist();
+
   void set_extensions_enabled(bool enabled) { extensions_enabled_ = enabled; }
   bool extensions_enabled() { return extensions_enabled_; }
 
@@ -333,8 +339,9 @@
 
   Profile* profile() { return profile_; }
 
-  // Profile calls this when it is destroyed so that we know not to call it.
-  void ProfileDestroyed() { profile_ = NULL; }
+  // Profile calls this when it is being destroyed so that we know not to call
+  // it.
+  void DestroyingProfile();
 
   ExtensionPrefs* extension_prefs() { return extension_prefs_.get(); }