Field trial removing tiles from NTP if URL is already open - for 1993 clients

chrome/browser/ui/browser_instant_controller.cc

Index: chrome/browser/ui/browser_instant_controller.cc
diff --git a/chrome/browser/ui/browser_instant_controller.cc b/chrome/browser/ui/browser_instant_controller.cc
index 6203f514206cc8bde337aed588db7a3c8e45a6f2..e8da59014eb4e88f08f42767f7f9bdafa6ae196a 100644
--- a/chrome/browser/ui/browser_instant_controller.cc
+++ b/chrome/browser/ui/browser_instant_controller.cc
@@ -145,6 +145,10 @@ Profile* BrowserInstantController::profile() const {
   return browser_->profile();
 }
 
+const TabStripModel* BrowserInstantController::tab_strip_model() const {
+  return browser_->tab_strip_model();
+}
+
 void BrowserInstantController::ReplaceWebContentsAt(
     int index,
     scoped_ptr<content::WebContents> new_contents) {