Revert of Add network throttling as an enterprise policy

chrome/common/pref_names.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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 
 #include <stddef.h>
@@ skipping 470 matching lines @@
 
 extern const char kBrowserSuppressDefaultBrowserPrompt[];
 
 extern const char kBrowserWindowPlacement[];
 extern const char kBrowserWindowPlacementPopup[];
 extern const char kTaskManagerWindowPlacement[];
 extern const char kTaskManagerColumnVisibility[];
 extern const char kTaskManagerEndProcessEnabled[];
 extern const char kAppWindowPlacement[];
 
-extern const char kNetworkThrottlingEnabled[];
-
 extern const char kDownloadDefaultDirectory[];
 extern const char kDownloadExtensionsToOpen[];
 extern const char kDownloadDirUpgraded[];
 #if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_MACOSX)
 extern const char kOpenPdfDownloadInSystemReader[];
 #endif
 
 extern const char kSaveFileDefaultDirectory[];
 extern const char kSaveFileType[];
 
@@ skipping 326 matching lines @@
 #endif
 
 extern const char kOriginTrialPublicKey[];
 extern const char kOriginTrialDisabledFeatures[];
 
 extern const char kComponentUpdatesEnabled[];
 
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_