Fix some UI issues with omnibox extensions in incognito.

chrome/browser/autocomplete/autocomplete_popup_model.cc

 // Copyright (c) 2010 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 "chrome/browser/autocomplete/autocomplete_popup_model.h"
 
 #include "unicode/ubidi.h"
 
 #include "base/string_util.h"
 #include "chrome/browser/autocomplete/autocomplete_edit.h"
@@ skipping 203 matching lines @@
       TemplateURLModel::CleanUserInputKeyword(match.fill_into_edit));
   if (keyword_hint.empty())
     return false;
 
   // Don't provide a hint if this keyword doesn't support replacement.
   const TemplateURL* const template_url =
       profile_->GetTemplateURLModel()->GetTemplateURLForKeyword(keyword_hint);
   if (!TemplateURL::SupportsReplacement(template_url))
     return false;
 
+  // Don't provide a hint if this is an extension keyword not enabled for
+  // incognito mode (and if this is an incognito profile).
+  if (template_url->IsExtensionKeyword() && profile_->IsOffTheRecord()) {
+    const Extension* extension = profile_->GetExtensionsService()->
+        GetExtensionById(template_url->GetExtensionId(), false);
+    if (!profile_->GetExtensionsService()->IsIncognitoEnabled(extension))
+      return false;
+  }
+
   keyword->assign(keyword_hint);
   return true;
 }
 
 AutocompleteLog* AutocompletePopupModel::GetAutocompleteLog() {
   return new AutocompleteLog(controller_->input().text(),
       controller_->input().type(), selected_line_, 0, controller_->result());
 }
 
 void AutocompletePopupModel::Move(int count) {
@@ skipping 64 matching lines @@
 }
 
 const SkBitmap* AutocompletePopupModel::GetSpecialIconForMatch(
     const AutocompleteMatch& match) const {
   if (!match.template_url || !match.template_url->IsExtensionKeyword())
     return NULL;
 
   return &profile_->GetExtensionsService()->GetOmniboxPopupIcon(
       match.template_url->GetExtensionId());
 }