Add ManagePasswordsBubbleCocoa and unit tests.

chrome/browser/ui/views/passwords/manage_passwords_bubble_view.h

 // 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_VIEWS_PASSWORDS_MANAGE_PASSWORDS_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_PASSWORDS_MANAGE_PASSWORDS_BUBBLE_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/passwords/manage_passwords_bubble.h"
@@ skipping 215 matching lines @@
   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
 
   void set_initially_focused_view(views::View* view) {
     DCHECK(!initially_focused_view_);
     initially_focused_view_ = view;
   }
 
   // Singleton instance of the Password bubble. The Password bubble can only be
   // shown on the active browser window, so there is no case in which it will be
-  // shown twice at the same time.
+  // shown twice at the same time. The instance is owned by the Bubble and will
+  // be deleted when the bubble closes.
   static ManagePasswordsBubbleView* manage_passwords_bubble_;
 
   ManagePasswordsIconView* anchor_view_;
 
   // If true upon destruction, the user has confirmed that she never wants to
   // save passwords for a particular site.
   bool never_save_passwords_;
 
   views::View* initially_focused_view_;
 
   // Timer used to close the bubble after timeout.
   base::OneShotTimer<ManagePasswordsBubbleView> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagePasswordsBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PASSWORDS_MANAGE_PASSWORDS_BUBBLE_VIEW_H_