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 537fa99e92ea80faef605457f8b5b1a210752c61..c8f16fed05eb6d9d3aaa7895d3fc97885b4b7077 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -451,15 +451,12 @@ void BrowserWindowCocoa::ShowChromeToMobileBubble() {
 }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
-
 void BrowserWindowCocoa::ShowOneClickSigninBubble(
-      const base::Closure& learn_more_callback,
-      const base::Closure& advanced_callback) {
+      const base::Callback<void(bool)>& 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