Fix flaky test OneClickSigninBubbleViewBrowserTest::ShowBubble

chrome/browser/ui/sync/one_click_signin_bubble_delegate.h

Index: chrome/browser/ui/sync/one_click_signin_bubble_delegate.h
diff --git a/chrome/browser/ui/sync/one_click_signin_bubble_delegate.h b/chrome/browser/ui/sync/one_click_signin_bubble_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..4b5f44050b2c2d1fb144b887ead36496a256a017
--- /dev/null
+++ b/chrome/browser/ui/sync/one_click_signin_bubble_delegate.h
@@ -0,0 +1,15 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_BUBBLE_DELEGATE_H_
+#define CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_BUBBLE_DELEGATE_H_
+
+class OneClickSigninBubbleDelegate {
+ public:
+  virtual ~OneClickSigninBubbleDelegate() {}
+  virtual void OnLearnMoreLinkClicked(bool is_dialog) = 0;
+  virtual void OnAdvancedLinkClicked() = 0;
+};
+
+#endif  // CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_BUBBLE_DELEGATE_H_