Properly Remove Autofill Keyboard Listener.

chrome/browser/autofill/autofill_external_delegate.cc

 // Copyright (c) 2012 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.
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_external_delegate.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller_impl.h"
 #include "chrome/common/autofill_messages.h"
@@ skipping 261 matching lines @@
   if (web_contents_) {
     RenderViewHost* host = web_contents_->GetRenderViewHost();
 
     if (host)
       host->Send(new AutofillMsg_ClearPreviewedForm(host->GetRoutingID()));
   }
 }
 
 void AutofillExternalDelegate::HideAutofillPopup() {
   if (controller_) {
+    OnPopupHidden(controller_.get());
+    // Hide deletes the controller so all other actions must be done before it.
     controller_->Hide();
-    OnPopupHidden(controller_.get());
   }
 }
 
 void AutofillExternalDelegate::Reset() {
   HideAutofillPopup();
 
   password_autofill_manager_.Reset();
 }
 
 void AutofillExternalDelegate::AddPasswordFormMapping(
@@ skipping 122 matching lines @@
     const content::NotificationDetails& details) {
   if (type == content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED) {
     if (!*content::Details<bool>(details).ptr())
       HideAutofillPopup();
   } else if (type == content::NOTIFICATION_NAV_ENTRY_COMMITTED) {
     HideAutofillPopup();
   } else {
     NOTREACHED();
   }
 }