Add profile selector menu to app list.

chrome/browser/ui/app_list/app_list_service.h

Index: chrome/browser/ui/app_list/app_list_service.h
diff --git a/chrome/browser/ui/app_list/app_list_service.h b/chrome/browser/ui/app_list/app_list_service.h
index edac211d5574fa13e30ac7a3ce23df4c3edcdbce..65cdff11851d5e0d4c303ea30dc6b4a8a3e402cb 100644
--- a/chrome/browser/ui/app_list/app_list_service.h
+++ b/chrome/browser/ui/app_list/app_list_service.h
@@ -53,6 +53,10 @@ class AppListService {
   // profile to local prefs as the default app list profile.
   virtual void ShowForProfile(Profile* requested_profile) = 0;
 
+  // Shows the app list for the profile at the given index. If the profile has
+  // not been loaded, this will load the profile and then show the app list.
+  virtual void ShowForProfileAtIndex(size_t index) = 0;
+
   // Dismiss the app list.
   virtual void DismissAppList() = 0;