Remove experimental sync promo layouts

chrome/browser/ui/browser_init.h

Index: chrome/browser/ui/browser_init.h
diff --git a/chrome/browser/ui/browser_init.h b/chrome/browser/ui/browser_init.h
index a12df57dfdbc7fd1abb1e283177743d22cc2546c..29a2f5ff9c3466177264e0ab7f44a2143bd5d7a7 100644
--- a/chrome/browser/ui/browser_init.h
+++ b/chrome/browser/ui/browser_init.h
@@ -238,16 +238,6 @@ class BrowserInit {
     // Returns true if so.
     bool CheckIfAutoLaunched(Profile* profile);
 
-    // Shows a sync promo dialog if necessary. When called |browser| should be
-    // the browser that's being used for startup. On return |browser| is set
-    // to the browser spawned from the sync promo dialog (if any). On input
-    // |tabs| should be the set of tabs to show on startup.  On return |tabs|
-    // will contain the new set of tabs to show on startup. Returns the index
-    // of the tab to activate.
-    size_t ShowSyncPromoDialog(bool process_startup,
-                               Browser** browser,
-                               std::vector<Tab>* tabs);
-
     const FilePath cur_dir_;
     const CommandLine& command_line_;
     Profile* profile_;