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

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

Index: chrome/browser/ui/views/frame/browser_view.h
diff --git a/chrome/browser/ui/views/frame/browser_view.h b/chrome/browser/ui/views/frame/browser_view.h
index 27b944680a3562f9c6ac68551749dcdd9a2ef267..4875a10327826c39faed67300f4f6829ee70e438 100644
--- a/chrome/browser/ui/views/frame/browser_view.h
+++ b/chrome/browser/ui/views/frame/browser_view.h
@@ -273,8 +273,7 @@ class BrowserView : public BrowserWindow,
   virtual void ShowChromeToMobileBubble() OVERRIDE;
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   virtual void ShowOneClickSigninBubble(
-      const base::Closure& learn_more_callback,
-      const base::Closure& advanced_callback) OVERRIDE;
+      const base::Callback<void(bool)>& start_sync_callback) OVERRIDE;
 #endif
   // TODO(beng): Not an override, move somewhere else.
   void SetDownloadShelfVisible(bool visible);