Do not try to pop up the account chooser if there is no browser window.

chrome/browser/ui/passwords/manage_passwords_ui_controller.h

 // Copyright 2014 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_PASSWORDS_MANAGE_PASSWORDS_UI_CONTROLLER_H_
 #define CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_UI_CONTROLLER_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 119 matching lines @@
   virtual void UpdateBubbleAndIconVisibility();
 
   // Called to create the account chooser dialog. Mocked in tests.
   virtual AccountChooserPrompt* CreateAccountChooser(
       PasswordDialogController* controller);
 
   // Called to create the account chooser dialog. Mocked in tests.
   virtual AutoSigninFirstRunPrompt* CreateAutoSigninPrompt(
       PasswordDialogController* controller);
 
+  // Check if |web_contents()| is attached to some Browser. Mocked in tests.
+  virtual bool HasBrowserWindow() const;
+
   // Overwrites the client for |passwords_data_|.
   void set_client(password_manager::PasswordManagerClient* client) {
     passwords_data_.set_client(client);
   }
 
   // content::WebContentsObserver:
   void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
   void WasHidden() override;
@@ skipping 37 matching lines @@
   // Thus, OnBubbleHidden() can be called after the new one is shown. By that
   // time the internal state of ManagePasswordsUIController has nothing to do
   // with the old bubble.
   // Invalidating all the weak pointers will detach the current bubble.
   base::WeakPtrFactory<ManagePasswordsUIController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagePasswordsUIController);
 };
 
 #endif  // CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_UI_CONTROLLER_H_