Remove search::ShouldShowGoogleLocalNTP ("google_local_ntp" field trial flag)

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 116 matching lines @@
 // Returns the default search engine base page URL to prefetch search results.
 // Returns an empty URL if 'prefetch_results' flag is set to false in field
 // trials.
 GURL GetSearchResultPrefetchBaseURL(Profile* profile);
 
 // Returns true if 'prerender_instant_url_on_omnibox_focus' flag is enabled in
 // field trials to prerender Instant search base page when the omnibox is
 // focused.
 bool ShouldPrerenderInstantUrlOnOmniboxFocus();
 
-// Returns true if the local new tab page should show a Google logo and search
-// box for users whose default search provider is Google, or false if not.
-bool ShouldShowGoogleLocalNTP();
-
 // Transforms the input |url| into its "effective URL". The returned URL
 // facilitates grouping process-per-site. The |url| is transformed, for
 // example, from
 //
 //   https://www.google.com/search?espv=1&q=tractors
 //
 // to the privileged URL
 //
 //   chrome-search://www.google.com/search?espv=1&q=tractors
 //
@@ skipping 43 matching lines @@
 
 // Returns true if 'use_search_path_for_instant' flag is set to true in field
 // trials to use an '/search' path in an alternate Instant search base page URL
 // for prefetching search results. This allows experimentation of Instant
 // search.
 bool ShouldUseSearchPathForInstant();
 
 }  // namespace search
 
 #endif  // CHROME_BROWSER_SEARCH_SEARCH_H_