Implement A/B experiment for anti-DDoS.

chrome/common/pref_names.h

 // Copyright (c) 2011 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_
 #pragma once
 
@@ skipping 225 matching lines @@
 extern const char kAutofillNegativeUploadRate[];
 extern const char kAutofillPersonalDataManagerFirstRun[];
 extern const char kEditBookmarksEnabled[];
 
 extern const char kUseVerticalTabs[];
 extern const char kUseCompactNavigationBar[];
 extern const char kEnableTranslate[];
 extern const char kEnableBookmarkBar[];
 extern const char kPinnedTabs[];
 extern const char kHttpThrottlingEnabled[];
+extern const char kHttpThrottlingMayExperiment[];
 
 extern const char kDisable3DAPIs[];
 extern const char kEnableHyperlinkAuditing[];
 extern const char kEnableReferrers[];
 
 // Local state prefs. Please add Profile prefs above instead.
 extern const char kCertRevocationCheckingEnabled[];
 extern const char kSSL3Enabled[];
 extern const char kTLS1Enabled[];
 
@@ skipping 247 matching lines @@
 extern const char kCustomHandlersEnabled[];
 
 extern const char kUserCreatedLoginItem[];
 extern const char kBackgroundModeEnabled[];
 
 extern const char kDevicePolicyRefreshRate[];
 extern const char kUserPolicyRefreshRate[];
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_