Stop using UIThreadSearchTermsData for search_engines related tests

components/search_engines/testing_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/testing_search_terms_data.h"
+
+#include "base/strings/utf_string_conversions.h"
+
+TestingSearchTermsData::TestingSearchTermsData(
+    const std::string& google_base_url)
+    : google_base_url_(google_base_url),
+      enable_answers_in_suggest_(false),
+      is_showing_search_terms_on_search_results_pages_(false) {
+}
+
+TestingSearchTermsData::~TestingSearchTermsData() {}
+
+std::string TestingSearchTermsData::GoogleBaseURLValue() const {
+  return google_base_url_;
+}
+
+base::string16 TestingSearchTermsData::GetRlzParameterValue(
+    bool from_app_list) const {
+  return base::ASCIIToUTF16(
+      from_app_list ? "rlz_parameter_from_app_list" : "rlz_parameter");
+}
+
+std::string TestingSearchTermsData::GetSearchClient() const {
+  return search_client_;
+}
+
+std::string TestingSearchTermsData::GoogleImageSearchSource() const {
+  return "google_image_search_source";
+}
+
+bool TestingSearchTermsData::EnableAnswersInSuggest() const {
+  return enable_answers_in_suggest_;
+}
+
+bool TestingSearchTermsData::IsShowingSearchTermsOnSearchResultsPages() const {
+  return is_showing_search_terms_on_search_results_pages_;
+}
+
+int TestingSearchTermsData::OmniboxStartMargin() const {
+  return omnibox_start_margin_;
+}