Added new adaptive "Suggest" tab on the New Tab Page, behing the flag, for the experiments.

chrome/common/chrome_switches.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.
 
 // Defines all the command-line switches used by Chrome.
 
 #ifndef CHROME_COMMON_CHROME_SWITCHES_H_
 #define CHROME_COMMON_CHROME_SWITCHES_H_
 #pragma once
 
@@ skipping 138 matching lines @@
 extern const char kEnableNaClDebug[];
 extern const char kEnableNaClExceptionHandling[];
 extern const char kEnablePanels[];
 extern const char kEnablePasswordGeneration[];
 extern const char kEnablePlatformApps[];
 extern const char kEnablePnacl[];
 extern const char kEnableProfiling[];
 extern const char kEnableRestoreSessionState[];
 extern const char kEnableResourceContentSettings[];
 extern const char kEnableSdch[];
+extern const char kEnableSuggestionsTabPage[];
 // TODO(kalman): Add to about:flags when UI for syncing extension settings has
 // been figured out.
 extern const char kEnableSyncExtensionSettings[];
 extern const char kEnableSyncTabs[];
 extern const char kEnableSyncTabsForOtherClients[];
 extern const char kEnableTabGroupsContextMenu[];
 extern const char kEnableWatchdog[];
 extern const char kEnableWebsiteSettings[];
 extern const char kEnableWebSocketOverSpdy[];
 extern const char kEnableWebStoreLink[];
@@ skipping 218 matching lines @@
 #if defined(USE_AURA)
 extern const char kTestCompositor[];
 #endif
 
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CHROME_COMMON_CHROME_SWITCHES_H_