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

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index aa3a46f389a1edf74e718c49a2cfaa1ad26cf865..a8d11741184bec40056889e7bd320d8279f2f92e 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -1058,11 +1058,9 @@ void BrowserView::ShowChromeToMobileBubble() {
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
 void BrowserView::ShowOneClickSigninBubble(
-    const base::Closure& learn_more_callback,
-    const base::Closure& advanced_callback) {
+    const base::Callback<void(bool)>& start_sync_callback) {
   OneClickSigninBubbleView::ShowBubble(toolbar_->app_menu(),
-                                       learn_more_callback,
-                                       advanced_callback);
+                                       start_sync_callback);
 }
 #endif