Allow TranslateRanker to override decisions taken by heuristics.

components/translate/core/browser/mock_translate_ranker.h

 // 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.
 
 #ifndef COMPONENTS_TRANSLATE_CORE_BROWSER_MOCK_TRANSLATE_RANKER_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_MOCK_TRANSLATE_RANKER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 11 matching lines @@
 namespace testing {
 
 class MockTranslateRanker : public TranslateRanker {
  public:
   MockTranslateRanker();
   ~MockTranslateRanker() override;
 
   void set_is_logging_enabled(bool val) { is_logging_enabled_ = val; }
   void set_is_query_enabled(bool val) { is_query_enabled_ = val; }
   void set_is_enforcement_enabled(bool val) { is_enforcement_enabled_ = val; }
+  void set_is_decision_override_enabled(bool val) {
+    is_decision_override_enabled_ = val;
+  }
   void set_model_version(int val) { model_version_ = val; }
   void set_should_offer_translation(bool val) {
     should_offer_translation_ = val;
   }
 
   // TranslateRanker Implementation:
   bool IsLoggingEnabled() override;
   bool IsQueryEnabled() override;
   bool IsEnforcementEnabled() override;
+  bool IsDecisionOverrideEnabled() override;
   int GetModelVersion() const override;
   bool ShouldOfferTranslation(const TranslatePrefs& translate_prefs,
                               const std::string& src_lang,
                               const std::string& dst_lang) override;
   void AddTranslateEvent(
       const metrics::TranslateEventProto& translate_event) override;
   void FlushTranslateEvents(
       std::vector<metrics::TranslateEventProto>* events) override;
 
  private:
   std::vector<metrics::TranslateEventProto> event_cache_;
 
   bool is_logging_enabled_ = false;
   bool is_query_enabled_ = false;
   bool is_enforcement_enabled_ = false;
+  bool is_decision_override_enabled_ = false;
   bool model_version_ = 0;
   bool should_offer_translation_ = true;
 
   DISALLOW_COPY_AND_ASSIGN(MockTranslateRanker);
 };
 
 }  // namespace testing
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_MOCK_TRANSLATE_RANKER_H_