Moved some functions off ExtensionService into a new file extension_util.

chrome/browser/extensions/extension_prefs.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_prefs.h"
 
 #include <iterator>
 
 #include "base/prefs/pref_notifier.h"
 #include "base/prefs/pref_service.h"
@@ skipping 983 matching lines @@
 
 bool ExtensionPrefs::IsActive(const std::string& extension_id) {
   const DictionaryValue* extension = GetExtensionPref(extension_id);
   if (!extension)
     return false;
   bool is_active = false;
   extension->GetBoolean(kIsActive, &is_active);
   return is_active;
 }
 
-bool ExtensionPrefs::IsIncognitoEnabled(const std::string& extension_id) {
+bool ExtensionPrefs::IsIncognitoEnabled(const std::string& extension_id) const {
   return ReadPrefAsBooleanAndReturn(extension_id, kPrefIncognitoEnabled);
 }
 
 void ExtensionPrefs::SetIsIncognitoEnabled(const std::string& extension_id,
                                            bool enabled) {
   UpdateExtensionPref(extension_id, kPrefIncognitoEnabled,
                       new base::FundamentalValue(enabled));
 }
 
-bool ExtensionPrefs::AllowFileAccess(const std::string& extension_id) {
+bool ExtensionPrefs::AllowFileAccess(const std::string& extension_id) const {
   return ReadPrefAsBooleanAndReturn(extension_id, kPrefAllowFileAccess);
 }
 
 void ExtensionPrefs::SetAllowFileAccess(const std::string& extension_id,
                                         bool allow) {
   UpdateExtensionPref(extension_id, kPrefAllowFileAccess,
                       new base::FundamentalValue(allow));
 }
 
 bool ExtensionPrefs::HasAllowFileAccessSetting(
@@ skipping 892 matching lines @@
     is_enabled = initial_state == Extension::ENABLED;
   }
 
   extension_pref_value_map_->RegisterExtension(extension_id, install_time,
                                                is_enabled);
   content_settings_store_->RegisterExtension(extension_id, install_time,
                                              is_enabled);
 }
 
 }  // namespace extensions