Do not initialize event routers in the Profile Import process.

chrome/browser/profiles/profile_manager.h

Index: chrome/browser/profiles/profile_manager.h
===================================================================
--- chrome/browser/profiles/profile_manager.h	(revision 97857)
+++ chrome/browser/profiles/profile_manager.h	(working copy)
@@ -126,6 +126,13 @@
   virtual void OnBrowserRemoved(const Browser* browser);
   virtual void OnBrowserSetLastActive(const Browser* browser);
 
+  // Set the flag indicating whether an import process will be run. If
+  // |will_import| is false, notify the NotificationService that |profile| has
+  // finished its import process. If |will_import| is false, |profile| is
+  // required to be non-NULL.
+  void SetWillImport(bool will_import, Profile* profile);
+  bool will_import() { return will_import_; }
+
   // ------------------ static utility functions -------------------
 
   // Returns the path to the default profile directory, based on the given
@@ -225,6 +232,9 @@
   // default.
   bool logged_in_;
 
+  // True if an import process will be run.
+  bool will_import_;
+
   // Maps profile path to ProfileInfo (if profile has been created). Use
   // RegisterProfile() to add into this map.
   typedef std::map<FilePath, linked_ptr<ProfileInfo> > ProfilesInfoMap;