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

components/search_engines/testing_search_terms_data.cc

Index: components/search_engines/testing_search_terms_data.cc
diff --git a/components/search_engines/testing_search_terms_data.cc b/components/search_engines/testing_search_terms_data.cc
index b4e98240ad1ceafcd5e961b5da1f6a13da194226..9fed5cfb0ed17680ed5f941fc8fb49b1c327f5a3 100644
--- a/components/search_engines/testing_search_terms_data.cc
+++ b/components/search_engines/testing_search_terms_data.cc
@@ -8,8 +8,7 @@
 
 TestingSearchTermsData::TestingSearchTermsData(
     const std::string& google_base_url)
-    : google_base_url_(google_base_url),
-      is_showing_search_terms_on_search_results_pages_(false) {
+    : google_base_url_(google_base_url) {
 }
 
 TestingSearchTermsData::~TestingSearchTermsData() {}
@@ -31,11 +30,3 @@ std::string TestingSearchTermsData::GetSearchClient() const {
 std::string TestingSearchTermsData::GoogleImageSearchSource() const {
   return "google_image_search_source";
 }
-
-bool TestingSearchTermsData::IsShowingSearchTermsOnSearchResultsPages() const {
-  return is_showing_search_terms_on_search_results_pages_;
-}
-
-int TestingSearchTermsData::OmniboxStartMargin() const {
-  return omnibox_start_margin_;
-}