Update behavior of one-click infobar to remove modal dialog, add "undo".

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index 344aadceab25e5db9840f7371d2b7ce335413704..ec84653cd1cc0f916247dd1f2ef897d77dd224b3 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -452,15 +452,12 @@ void BrowserWindowCocoa::ShowChromeToMobileBubble() {
 }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
-
 void BrowserWindowCocoa::ShowOneClickSigninBubble(
-      const base::Closure& learn_more_callback,
-      const base::Closure& advanced_callback) {
+      const StartSyncCallback& start_sync_callback) {
   OneClickSigninBubbleController* bubble_controller =
       [[OneClickSigninBubbleController alloc]
         initWithBrowserWindowController:cocoa_controller()
-                      learnMoreCallback:learn_more_callback
-                       advancedCallback:advanced_callback];
+                    start_sync_callback:start_sync_callback];
   [bubble_controller showWindow:nil];
 }
 #endif