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

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
===================================================================
--- chrome/common/pref_names.cc	(revision 118125)
+++ chrome/common/pref_names.cc	(working copy)
@@ -816,6 +816,10 @@
 // be displayed at the default zoom level.
 const char kPerHostZoomLevels[] = "profile.per_host_zoom_levels";
 
+// Boolean that specifies whether or not a shortcut has been created for this
+// profile in multi-profiles mode.
+const char kProfileShortcutCreated[] = "profile.shortcut_created";
+
 // Boolean that is true if Autofill is enabled and allowed to save profile data.
 const char kAutofillEnabled[] = "autofill.enabled";