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

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 45713b2966aade4acd0d1fb109bb89ca2af1250b..9dfa953d5cfb7281a0fbea1a54ab4774aeac4892 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -546,6 +546,9 @@ const char kEnableRestoreSessionState[]   = "enable-restore-session-state";
 // supported server-side for searches on google.com.
 const char kEnableSdch[]                    = "enable-sdch";
 
+// Enables experimental suggested pane in New Tab page.
+const char kEnableSuggestedTabPage[]        = "enable-suggested-ntp";
+
 // Enables syncing extension settings.
 const char kEnableSyncExtensionSettings[]   = "enable-sync-extension-settings";