Remove search::ShouldPrefetchSearchResultsOnSRP

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 155 matching lines @@
 
 // Sets the Instant support |state| in the navigation |entry|.
 void SetInstantSupportStateInNavigationEntry(InstantSupportState state,
                                              content::NavigationEntry* entry);
 
 // Returns the Instant support state attached to the NavigationEntry, or
 // INSTANT_SUPPORT_UNKNOWN otherwise.
 InstantSupportState GetInstantSupportStateFromNavigationEntry(
     const content::NavigationEntry& entry);
 
-// Returns true if the field trial flag is enabled to prefetch results on SRP.
-bool ShouldPrefetchSearchResultsOnSRP();
-
 // -----------------------------------------------------
 // The following APIs are exposed for use in tests only.
 // -----------------------------------------------------
 
 // Returns the Cacheable New Tab Page URL for the given |profile|.
 GURL GetNewTabPageURL(Profile* profile);
 
 // Returns true if 'use_alternate_instant_url' flag is set to true in field
 // trials to use an alternate Instant search base page URL for prefetching
 // search results. This allows experimentation of Instant search.
 bool ShouldUseAltInstantURL();
 
 // 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_