Remove support for special "sign in process" state.

extensions/browser/info_map.h

Index: extensions/browser/info_map.h
diff --git a/extensions/browser/info_map.h b/extensions/browser/info_map.h
index b5ea0deb554667481054a301ebf0569523d5d43a..3a30dd4b03105d0e2ab6069599125232c5ef978b 100644
--- a/extensions/browser/info_map.h
+++ b/extensions/browser/info_map.h
@@ -96,11 +96,6 @@ class InfoMap : public base::RefCountedThreadSafe<InfoMap> {
   // Returns the IO thread QuotaService. Creates the instance on first call.
   QuotaService* GetQuotaService();
 
-  // Keep track of the signin process, so we can restrict extension access to
-  // it.
-  void SetSigninProcess(int process_id);
-  bool IsSigninProcess(int process_id) const;
-
   // Notifications can be enabled/disabled in real time by the user.
   void SetNotificationsDisabled(const std::string& extension_id,
                                 bool notifications_disabled);
@@ -133,8 +128,6 @@ class InfoMap : public base::RefCountedThreadSafe<InfoMap> {
   // Assignment of extensions to renderer processes.
   extensions::ProcessMap process_map_;
 
-  int signin_process_id_;
-
   scoped_refptr<ContentVerifier> content_verifier_;
 };