Add a startup check to create profile shortcuts for legacy Chrome profiles.

chrome/browser/profiles/profile_manager.h

Index: chrome/browser/profiles/profile_manager.h
===================================================================
--- chrome/browser/profiles/profile_manager.h	(revision 118125)
+++ chrome/browser/profiles/profile_manager.h	(working copy)
@@ -252,6 +252,12 @@
   // Adds |profile| to the profile info cache if it hasn't been added yet.
   void AddProfileToCache(Profile* profile);
 
+#if defined(OS_WIN)
+  // Creates a profile desktop shortcut for |profile| if we are in multi
+  // profile mode and the shortcut has not been created before.
+  void CreateDesktopShortcut(Profile* profile);
+#endif
+
   // Initializes user prefs of |profile|. This includes profile name and
   // avatar values
   void InitProfileUserPrefs(Profile* profile);