Remove Citrix app related constants which are no longer used

chrome/common/extensions/extension_constants.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 58 matching lines @@
 
   // Matches chrome.windows.WINDOW_ID_CURRENT.
   const int kCurrentWindowId = -2;
 
   // The extension id of the bookmark manager.
   extern const char kBookmarkManagerId[];
 
   // The extension id of the Chrome component application.
   extern const char kChromeAppId[];
 
-  // The extension id of the Citrix Receiver application.
-  extern const char kCitrixReceiverAppId[];
-
-  // The extension id of the beta Citrix Receiver application.
-  extern const char kCitrixReceiverAppBetaId[];
-
-  // The extension id of the dev Citrix Receiver application.
-  extern const char kCitrixReceiverAppDevId[];
-
   // The extension id of the Cloud Print component application.
   extern const char kCloudPrintAppId[];
 
   // The extension id of the Enterprise Web Store component application.
   extern const char kEnterpriseWebStoreAppId[];
 
   // The extension id of GMail application.
   extern const char kGmailAppId[];
 
   // The extension id of the Google Doc application.
@@ skipping 209 matching lines @@
   // List of sizes for extension icons that can be defined in the manifest.
   extern const int kExtensionActionIconSizes[];
   extern const size_t kNumExtensionActionIconSizes;
 
   // List of sizes for extension icons that can be defined in the manifest.
   extern const int kScriptBadgeIconSizes[];
   extern const size_t kNumScriptBadgeIconSizes;
 }  // namespace extension_misc
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_