Remove dangling ManagePasswordsBubbleModel pointers. Test that different password bubbles don't pin…

chrome/browser/ui/cocoa/passwords/passwords_bubble_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_COCOA_PASSWORDS_PASSWORDS_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_PASSWORDS_PASSWORDS_BUBBLE_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/passwords/base_passwords_content_view_controller.h"
 #import "chrome/browser/ui/cocoa/passwords/pending_password_view_controller.h"
 #include "chrome/browser/ui/passwords/manage_passwords_bubble_model.h"
 
 // Controller for the Cocoa manage passwords bubble. Transitions through several
 // views according to user interaction and updates the password management state
 // accordingly.
 @interface ManagePasswordsBubbleController
-    : BaseBubbleController<ManagePasswordsBubbleContentViewDelegate> {
+    : BaseBubbleController<BasePasswordsContentViewDelegate> {
  @private
   ManagePasswordsBubbleModel* model_;
-  base::scoped_nsobject<ManagePasswordsBubbleContentViewController>
-      currentController_;
+  base::scoped_nsobject<BasePasswordsContentViewController> currentController_;
 }
 - (id)initWithParentWindow:(NSWindow*)parentWindow
                      model:(ManagePasswordsBubbleModel*)model;
 @end
 
 @interface ManagePasswordsBubbleController (Testing)
 @property(readonly) NSViewController* currentController;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_PASSWORDS_PASSWORDS_BUBBLE_CONTROLLER_H_