Chrome user menu shouldn't close if a tab steals focus

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 e3411675aac8e51774d10d459a9be080603d2eee..803fc93e36bc189f3023d3967a7d023eb32596c2 100644
--- a/chrome/test/base/test_browser_window.h
+++ b/chrome/test/base/test_browser_window.h
@@ -144,6 +144,7 @@ class TestBrowserWindow : public BrowserWindow {
   void ShowAvatarBubbleFromAvatarButton(
       AvatarBubbleMode mode,
       const signin::ManageAccountsParams& manage_accounts_params) override {}
+  void CloseAvatarBubbleFromAvatarButton() override {};
   int GetRenderViewHeightInsetWithDetachedBookmarkBar() override;
   void ExecuteExtensionCommand(const extensions::Extension* extension,
                                const extensions::Command& command) override;