Remove a variety of no-longer-used query params.

components/search_engines/search_terms_data.cc

 // Copyright 2014 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.
 
 #include "components/search_engines/search_terms_data.h"
 
 #include "base/logging.h"
 #include "components/google/core/browser/google_url_tracker.h"
 #include "url/gurl.h"
 
@@ skipping 36 matching lines @@
 }
 
 std::string SearchTermsData::GetSuggestClient() const {
   return std::string();
 }
 
 std::string SearchTermsData::GetSuggestRequestIdentifier() const {
   return std::string();
 }
 
-bool SearchTermsData::IsShowingSearchTermsOnSearchResultsPages() const {
-  return false;
-}
-
 std::string SearchTermsData::InstantExtendedEnabledParam(
     bool for_search) const {
   return std::string();
 }
 
 std::string SearchTermsData::ForceInstantResultsParam(
     bool for_prerender) const {
   return std::string();
 }
 
-int SearchTermsData::OmniboxStartMargin() const {
-  return 0;
-}
-
-std::string SearchTermsData::NTPIsThemedParam() const {
-  return std::string();
-}
-
 std::string SearchTermsData::IOSWebViewTypeParam() const {
   return std::string();
 }
 
 std::string SearchTermsData::GoogleImageSearchSource() const {
   return std::string();
 }
 
 std::string SearchTermsData::GetAcceptLanguages() const {
   return std::string();
 }