Refactor the various ways to control what users can do to extensions.

chrome/common/extensions/extension_constants.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/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 85 matching lines @@
 const char kGeneratedBackgroundPageFilename[] =
     "_generated_background_page.html";
 }
 
 // These must match the values expected by the chrome.management extension API.
 namespace extension_info_keys {
   const char kDescriptionKey[] = "description";
   const char kEnabledKey[] = "enabled";
   const char kHomepageUrlKey[] = "homepageUrl";
   const char kIdKey[] = "id";
-  const char kMayDisableKey[] = "mayDisable";
   const char kNameKey[] = "name";
   const char kOfflineEnabledKey[] = "offlineEnabled";
   const char kOptionsUrlKey[] = "optionsUrl";
   const char kVersionKey[] = "version";
 }
 
 namespace extension_misc {
 const char kBookmarkManagerId[] = "eemcgdkfndhakfknompkggombfjjjeno";
 const char kCitrixReceiverAppId[] = "haiffjcadagjlijoggckpgfnoeiflnem";
 const char kCitrixReceiverAppBetaId[] = "gnedhmakppccajfpfiihfcdlnpgomkcf";
@@ skipping 16 matching lines @@
 const char kAppStateInstalled[] = "installed";
 const char kAppStateDisabled[] = "disabled";
 const char kAppStateRunning[] = "running";
 const char kAppStateCannotRun[] = "cannot_run";
 const char kAppStateReadyToRun[] = "ready_to_run";
 
 const char kAppNotificationsIncognitoError[] =
     "This API is not accessible by 'split' mode "
     "extensions in incognito windows.";
 }