Fix Mac password bubble crash due to the "nope" menu hanging around.

chrome/browser/ui/cocoa/passwords/manage_passwords_bubble_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/passwords/manage_passwords_bubble_controller.h"
 
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
@@ skipping 24 matching lines @@
     [self updateState];
   }
   return self;
 }
 
 - (void)showWindow:(id)sender {
   [self performLayout];
   [super showWindow:sender];
 }
 
+- (void)close {
+  [currentController_ bubbleWillDisappear];
+  [super close];
+}
+
 - (void)updateState {
   // Find the next view controller.
   currentController_.reset();
   if (password_manager::ui::IsPendingState(model_->state())) {
     currentController_.reset(
         [[ManagePasswordsBubblePendingViewController alloc]
             initWithModel:model_
                  delegate:self]);
   } else if (model_->state() == password_manager::ui::CONFIRMATION_STATE) {
     currentController_.reset(
@@ skipping 67 matching lines @@
 
 @end
 
 @implementation ManagePasswordsBubbleController (Testing)
 
 - (NSViewController*)currentController {
   return currentController_.get();
 }
 
 @end