Moved IS_EPHEMERAL flag to extension prefs

chrome/browser/extensions/extension_util.cc

 // Copyright 2013 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_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 153 matching lines @@
     return false;
 
   content::SiteInstance* site_instance = process_manager->GetSiteInstanceForURL(
       Extension::GetBaseURLFromExtensionId(extension_id));
   if (site_instance && site_instance->HasProcess())
     return false;
 
   return process_manager->GetRenderViewHostsForExtension(extension_id).empty();
 }
 
-bool IsExtensionInstalledPermanently(const std::string& extension_id,
-                                     content::BrowserContext* context) {
-  const Extension* extension = ExtensionRegistry::Get(context)->
-      GetExtensionById(extension_id, ExtensionRegistry::EVERYTHING);
-  return extension && !extension->is_ephemeral();
-}
-
 GURL GetSiteForExtensionId(const std::string& extension_id,
                            content::BrowserContext* context) {
   return content::SiteInstance::GetSiteForURL(
       context, Extension::GetBaseURLFromExtensionId(extension_id));
 }
 
 scoped_ptr<base::DictionaryValue> GetExtensionInfo(const Extension* extension) {
   DCHECK(extension);
   scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue);
 
@@ skipping 56 matching lines @@
       IDR_APP_DEFAULT_ICON);
 }
 
 const gfx::ImageSkia& GetDefaultExtensionIcon() {
   return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
       IDR_EXTENSION_DEFAULT_ICON);
 }
 
 }  // namespace util
 }  // namespace extensions