Don't show host permission warnings for platform apps.

chrome/browser/extensions/extension_management_api.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/extensions/extension_management_api.h"
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
 #include "chrome/browser/extensions/management_policy.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/extensions/extension_icon_set.h"
+#include "chrome/common/extensions/permissions/permission_set.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/browser/utility_process_host_client.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
 #endif
 
@@ skipping 543 matching lines @@
     ExtensionService* service = profile->GetExtensionService();
     args.Append(CreateExtensionInfo(*extension, service));
   }
 
   std::string args_json;
   base::JSONWriter::Write(&args, &args_json);
 
   profile->GetExtensionEventRouter()->DispatchEventToRenderers(
       event_name, args_json, NULL, GURL(), extensions::EventFilteringInfo());
 }