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

chrome/browser/resources/ntp4/page_list_view.js

Index: chrome/browser/resources/ntp4/page_list_view.js
diff --git a/chrome/browser/resources/ntp4/page_list_view.js b/chrome/browser/resources/ntp4/page_list_view.js
index fc50b56a7d14b807ff730242e542133f30d31ca9..5f902f876835fdddfd69e27af4085ad2f40ee754 100644
--- a/chrome/browser/resources/ntp4/page_list_view.js
+++ b/chrome/browser/resources/ntp4/page_list_view.js
@@ -59,6 +59,12 @@ cr.define('ntp4', function() {
     appsPages: undefined,
 
     /**
+     * The Suggestions page.
+     * @type {!Element|undefined}
+     */
+    suggestionsPage: undefined,
+
+    /**
      * The Most Visited page.
      * @type {!Element|undefined}
      */
@@ -212,6 +218,11 @@ cr.define('ntp4', function() {
         this.mostVisitedPage = page;
       }
 
+      if (typeof ntp4.SuggestionsPage != 'undefined' &&
+          page instanceof ntp4.SuggestionsPage) {
+        this.suggestionsPage = page;
+      }
+
       // If we're appending an AppsPage and it's a temporary page, animate it.
       var animate = page instanceof ntp4.AppsPage &&
                     page.classList.contains('temporary');
@@ -429,6 +440,10 @@ cr.define('ntp4', function() {
           if (this.mostVisitedPage)
             this.cardSlider.selectCardByValue(this.mostVisitedPage);
           break;
+        case templateData['suggestions_page_id']:
+          if (this.suggestionsPage)
+            this.cardSlider.selectCardByValue(this.suggestionsPage);
+          break;
       }
     },
 
@@ -543,6 +558,9 @@ cr.define('ntp4', function() {
         } else if (page.classList.contains('most-visited-page')) {
           this.shownPage = templateData.most_visited_page_id;
           this.shownPageIndex = 0;
+        } else if (page.classList.contains('suggestions-page')) {
+          this.shownPage = templateData.suggestions_page_id;
+          this.shownPageIndex = 0;
         } else {
           console.error('unknown page selected');
         }