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

components/search_engines/testing_search_terms_data.h

Index: components/search_engines/testing_search_terms_data.h
diff --git a/components/search_engines/testing_search_terms_data.h b/components/search_engines/testing_search_terms_data.h
index 132d522384583a0ab284e898e160db0b0c2340bf..938e5b2da65d59999275d499184587d76b4123fb 100644
--- a/components/search_engines/testing_search_terms_data.h
+++ b/components/search_engines/testing_search_terms_data.h
@@ -16,8 +16,6 @@ class TestingSearchTermsData : public SearchTermsData {
   base::string16 GetRlzParameterValue(bool from_app_list) const override;
   std::string GetSearchClient() const override;
   std::string GoogleImageSearchSource() const override;
-  bool IsShowingSearchTermsOnSearchResultsPages() const override;
-  int OmniboxStartMargin() const override;
 
   void set_google_base_url(const std::string& google_base_url) {
     google_base_url_ = google_base_url;
@@ -25,18 +23,10 @@ class TestingSearchTermsData : public SearchTermsData {
   void set_search_client(const std::string& search_client) {
     search_client_ = search_client;
   }
-  void set_is_showing_search_terms_on_search_results_pages(bool value) {
-    is_showing_search_terms_on_search_results_pages_ = value;
-  }
-  void set_omnibox_start_margin(int omnibox_start_margin) {
-    omnibox_start_margin_ = omnibox_start_margin;
-  }
 
  private:
   std::string google_base_url_;
   std::string search_client_;
-  bool is_showing_search_terms_on_search_results_pages_;
-  int omnibox_start_margin_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingSearchTermsData);
 };