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

chrome/test/base/test_browser_window.h

Index: chrome/test/base/test_browser_window.h
diff --git a/chrome/test/base/test_browser_window.h b/chrome/test/base/test_browser_window.h
index 9c25d8c3b6bc513d8543d24d017db217038b7851..f6c51b81d31fbf670f43b3c50636c9a5dd165e3a 100644
--- a/chrome/test/base/test_browser_window.h
+++ b/chrome/test/base/test_browser_window.h
@@ -94,8 +94,7 @@ class TestBrowserWindow : 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
   virtual bool IsDownloadShelfVisible() const OVERRIDE;
   virtual DownloadShelf* GetDownloadShelf() OVERRIDE;