Allow TranslateRanker to override decisions taken by heuristics.

components/translate/core/browser/mock_translate_ranker.cc

 // Copyright 2017 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/translate/core/browser/mock_translate_ranker.h"
 
 #include "components/metrics/proto/translate_event.pb.h"
 #include "url/gurl.h"
 
 namespace translate {
 namespace testing {
 
 MockTranslateRanker::MockTranslateRanker() {}
 
 MockTranslateRanker::~MockTranslateRanker() {}
 
-bool MockTranslateRanker::IsLoggingEnabled() {
-  return is_logging_enabled_;
-}
-
-bool MockTranslateRanker::IsQueryEnabled() {
-  return is_query_enabled_;
-}
-
-bool MockTranslateRanker::IsEnforcementEnabled() {
-  return is_enforcement_enabled_;
-}
-
-int MockTranslateRanker::GetModelVersion() const {
+uint32_t MockTranslateRanker::GetModelVersion() const {
   return model_version_;
 }
 
 bool MockTranslateRanker::ShouldOfferTranslation(
     const TranslatePrefs& /* translate_prefs */,
     const std::string& /* src_lang */,
-    const std::string& /* dst_lang */) {
+    const std::string& /* dst_lang */,
+    metrics::TranslateEventProto* /*translate_event */) {
   return should_offer_translation_;
 }
 
-void MockTranslateRanker::AddTranslateEvent(
-    const metrics::TranslateEventProto& translate_event,
-    const GURL& /* url */) {
-  event_cache_.push_back(translate_event);
-}
-
 void MockTranslateRanker::FlushTranslateEvents(
     std::vector<metrics::TranslateEventProto>* events) {
   events->swap(event_cache_);
   event_cache_.clear();
 }
 
 }  // namespace testing
 }  // namespace translate