InstantExtended: Add new_tab_url to TemplateURL.

chrome/browser/search/search.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_SEARCH_SEARCH_H_
 #define CHROME_BROWSER_SEARCH_SEARCH_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 108 matching lines @@
 
 // Returns true if 'hide_verbatim' flag is enabled in field trials
 // to hide the top match in the native suggestions dropdown if it is a verbatim
 // match.  See comments on ShouldHideTopMatch in autocomplete_result.h.
 bool ShouldHideTopVerbatimMatch();
 
 // Returns true if 'use_remote_ntp_on_startup' flag is enabled in field trials
 // to always show the remote NTP on browser startup.
 bool ShouldPreferRemoteNTPOnStartup();
 
+// Returns true if the cacheable NTP should be shown and false if not.
+// Exposed for testing.
+bool ShouldUseCacheableNTP();
+
 // Returns true if the Instant NTP should be shown and false if not.
 bool ShouldShowInstantNTP();
 
 // Returns true if the recent tabs link should be shown on the local NTP in
 // field trials.
 bool ShouldShowRecentTabsOnNTP();
 
 // Returns true if |my_url| matches |other_url|.
 bool MatchesOriginAndPath(const GURL& my_url, const GURL& other_url);
 
@@ skipping 88 matching lines @@
                                     bool default_value,
                                     const FieldTrialFlags& flags);
 
 // Let tests reset the gate that prevents metrics from being sent more than
 // once.
 void ResetInstantExtendedOptInStateGateForTest();
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_SEARCH_SEARCH_H_