Bring up a content settings icon for ungestured registerProtocolHandler call.

chrome/browser/content_settings/content_settings_default_provider.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 "chrome/browser/content_settings/content_settings_default_provider.h"
 
 #include <string>
 #include <vector>
 
 #include "base/auto_reset.h"
@@ skipping 27 matching lines @@
   CONTENT_SETTING_ALLOW,    // CONTENT_SETTINGS_TYPE_PLUGINS
   CONTENT_SETTING_BLOCK,    // CONTENT_SETTINGS_TYPE_POPUPS
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_GEOLOCATION
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_NOTIFICATIONS
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_INTENTS
   CONTENT_SETTING_DEFAULT,  // CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_FULLSCREEN
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_MOUSELOCK
   CONTENT_SETTING_DEFAULT,  // CONTENT_SETTINGS_TYPE_MIXEDSCRIPT
   CONTENT_SETTING_ASK,      // CONTENT_SETTINGS_TYPE_MEDIASTREAM
+  CONTENT_SETTING_DEFAULT,  // CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS
 };
 COMPILE_ASSERT(arraysize(kDefaultSettings) == CONTENT_SETTINGS_NUM_TYPES,
                default_settings_incorrect_size);
 
 }  // namespace
 
 namespace content_settings {
 
 namespace {
 
@@ skipping 326 matching lines @@
     SetWebsiteSetting(
         ContentSettingsPattern::Wildcard(),
         ContentSettingsPattern::Wildcard(),
         CONTENT_SETTINGS_TYPE_GEOLOCATION,
         std::string(),
         value->DeepCopy());
   }
 }
 
 }  // namespace content_settings