Mirror app list hierarchy data in profile prefs.

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 69ed0ea4bbd106beafaf700bac5c79dc74695fc4..69d3d9075d070dfddf29b7f9d59033b3534b0b9f 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -63,6 +63,7 @@
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/task_manager/task_manager.h"
+#include "chrome/browser/ui/app_list/app_list_prefs.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/browser_ui_prefs.h"
 #include "chrome/browser/ui/navigation_correction_tab_observer.h"
@@ -414,6 +415,10 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   extensions::ExtensionPrefs::RegisterProfilePrefs(registry);
 #endif
 
+#if defined(ENABLE_APP_LIST)
+  app_list::AppListPrefs::RegisterProfilePrefs(registry);
+#endif
+
 #if defined(ENABLE_FULL_PRINTING)
   print_dialog_cloud::RegisterProfilePrefs(registry);
   printing::StickySettings::RegisterProfilePrefs(registry);