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

chrome/common/chrome_switches.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/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 537 matching lines @@
 // Experimental. Enables restoring session state (cookies, session storage,
 // etc.) when autorestarting.
 const char kEnableRestoreSessionState[]   = "enable-restore-session-state";
 
 // Controls the support for SDCH filtering (dictionary based expansion of
 // content). By default SDCH filtering is enabled. To disable SDCH filtering,
 // use "--enable-sdch=0" as command line argument. SDCH is currently only
 // supported server-side for searches on google.com.
 const char kEnableSdch[]                    = "enable-sdch";
 
+// Enables experimental suggestions pane in New Tab page.
+const char kEnableSuggestionsTabPage[]      = "enable-suggestions-ntp";
+
 // Enables syncing extension settings.
 const char kEnableSyncExtensionSettings[]   = "enable-sync-extension-settings";
 
 // Enables syncing browser sessions.
 const char kEnableSyncTabs[]                = "enable-sync-tabs";
 
 // Enables syncing browser sessions for other synced clients.
 const char kEnableSyncTabsForOtherClients[] =
     "enable-sync-tabs-for-other-clients";
 
@@ skipping 756 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches