Remove --enable-user-script and associated tests.

chrome/common/pref_names.h

 // Copyright (c) 2006-2009 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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 
 #include "build/build_config.h"
@@ skipping 187 matching lines @@
 extern const wchar_t kShutdownNumProcessesSlow[];
 
 extern const wchar_t kNumBookmarksOnBookmarkBar[];
 extern const wchar_t kNumFoldersOnBookmarkBar[];
 extern const wchar_t kNumBookmarksInOtherBookmarkFolder[];
 extern const wchar_t kNumFoldersInOtherBookmarkFolder[];
 
 extern const wchar_t kNumKeywords[];
 
 extern const wchar_t kDisableExtensions[];
-extern const wchar_t kEnableUserScripts[];
 extern const wchar_t kShowExtensionShelf[];
 
 extern const wchar_t kLastExtensionsUpdateCheck[];
 extern const wchar_t kNextExtensionsUpdateCheck[];
 
 extern const wchar_t kExtensionBlacklistUpdateVersion[];
 
 extern const wchar_t kNTPMostVisitedURLsBlacklist[];
 extern const wchar_t kNTPMostVisitedPinnedURLs[];
 extern const wchar_t kNTPTipsCache[];
 extern const wchar_t kNTPTipsCacheUpdate[];
 extern const wchar_t kNTPTipsServer[];
 extern const wchar_t kNTPShownSections[];
 extern const wchar_t kNTPPrefVersion[];
 
 extern const wchar_t kDevToolsOpenDocked[];
 extern const wchar_t kDevToolsSplitLocation[];
 
 extern const wchar_t kSyncLastSyncedTime[];
 extern const wchar_t kSyncHasSetupCompleted[];
 
 extern const wchar_t kWebAppCreateOnDesktop[];
 extern const wchar_t kWebAppCreateInAppsMenu[];
 extern const wchar_t kWebAppCreateInQuickLaunchBar[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_