Add a skeleton Start Page to the experimental app list.

chrome/browser/ui/app_list/start_page_service_factory.cc

Index: chrome/browser/ui/app_list/start_page_service_factory.cc
diff --git a/chrome/browser/ui/app_list/start_page_service_factory.cc b/chrome/browser/ui/app_list/start_page_service_factory.cc
index 636814a6665686f37cc2ff081812a527e221476f..ec2e5ad29c4a13606720980d3184b010a31ae594 100644
--- a/chrome/browser/ui/app_list/start_page_service_factory.cc
+++ b/chrome/browser/ui/app_list/start_page_service_factory.cc
@@ -20,8 +20,8 @@ namespace app_list {
 
 // static
 StartPageService* StartPageServiceFactory::GetForProfile(Profile* profile) {
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
-          ::switches::kShowAppListStartPage) &&
+  if (!app_list::switches::IsExperimentalAppListEnabled() &&
+      !app_list::switches::IsStartPageWebUIEnabled() &&
       !app_list::switches::IsVoiceSearchEnabled()) {
       return NULL;
     }