Create profile .ico file on profile creation

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 321fa85098892e90f93ab7d1a0f75cd965263087..7c8a35714724111541ad30bcb2c5ec8c73de3f66 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -78,6 +78,10 @@ const char kURLsToRestoreOnStartup[] = "session.urls_to_restore_on_startup";
 // higher.
 const char kRestoreOnStartupMigrated[] = "session.restore_on_startup_migrated";
 
+// An integer that keeps track of the profile icon version. This allows us to
+// determine the state of the profile icon for icon format changes.
+const char kProfileIconVersion[] = "profile.icon_version";
+
 // The application locale.
 // For OS_CHROMEOS we maintain kApplicationLocale property in both local state
 // and user's profile.  Global property determines locale of login screen,