Move SearchTermsData::ForceInstantResultsParam() to chrome::ForceInstantResultsParam().

chrome/browser/search_engines/search_terms_data.h

 // Copyright (c) 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_ENGINES_SEARCH_TERMS_DATA_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_SEARCH_TERMS_DATA_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 33 matching lines @@
   // requests.  See GetSuggestRequestIdentifier() for more details.
   // This implementation returns the empty string.
   virtual std::string GetSuggestClient() const;
 
   // The suggest request identifier parameter ("gs_ri") passed with Google
   // suggest requests.   Along with suggestclient (See GetSuggestClient()),
   // this parameter controls what suggestion results are returned.
   // This implementation returns the empty string.
   virtual std::string GetSuggestRequestIdentifier() const;
 
-  // Returns a string that will cause the search results page to update
-  // incrementally. Currently, Instant Extended passes a different param to
-  // search results pages that also has this effect, so by default this function
-  // returns the empty string when Instant Extended is enabled. However, when
-  // doing instant search result prerendering, we still need to pass this param,
-  // as Instant Extended does not cause incremental updates by default for the
-  // prerender page. Callers should set |for_prerender| in this case to force
-  // the returned string to be non-empty.
-  virtual std::string ForceInstantResultsParam(bool for_prerender) const;
-
   // Returns a string indicating whether a non-default theme is active,
   // suitable for adding as a query string param to the homepage.  This only
   // applies if Instant Extended is enabled.  Returns an empty string otherwise.
   // Determining this requires accessing the Profile, so this can only ever be
   // non-empty for UIThreadSearchTermsData.
   virtual std::string NTPIsThemedParam() const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SearchTermsData);
 };
 
 // Implementation of SearchTermsData that is only usable on the UI thread.
 class UIThreadSearchTermsData : public SearchTermsData {
  public:
   // If |profile_| is NULL, the Google base URL accessors will return default
   // values, and NTPIsThemedParam() will return an empty string.
   explicit UIThreadSearchTermsData(Profile* profile);
 
   virtual std::string GoogleBaseURLValue() const OVERRIDE;
   virtual std::string GetApplicationLocale() const OVERRIDE;
   virtual base::string16 GetRlzParameterValue() const OVERRIDE;
   virtual std::string GetSearchClient() const OVERRIDE;
   virtual std::string GetSuggestClient() const OVERRIDE;
   virtual std::string GetSuggestRequestIdentifier() const OVERRIDE;
-  virtual std::string ForceInstantResultsParam(
-      bool for_prerender) const OVERRIDE;
   virtual std::string NTPIsThemedParam() const OVERRIDE;
 
   // Used by tests to override the value for the Google base URL.  Passing the
   // empty string cancels this override.
   static void SetGoogleBaseURL(const std::string& base_url);
 
  private:
   static std::string* google_base_url_;
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(UIThreadSearchTermsData);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_SEARCH_TERMS_DATA_H_