Allow TranslateRanker to override decisions taken by heuristics.

components/translate/core/browser/mock_translate_ranker.h

Index: components/translate/core/browser/mock_translate_ranker.h
diff --git a/components/translate/core/browser/mock_translate_ranker.h b/components/translate/core/browser/mock_translate_ranker.h
index 218cc2ca4042d4fab1c27f01220e86312f421951..f9e1170dcf6c3fed6187f608f815ac0b7a6dd27a 100644
--- a/components/translate/core/browser/mock_translate_ranker.h
+++ b/components/translate/core/browser/mock_translate_ranker.h
@@ -29,6 +29,9 @@ class MockTranslateRanker : public TranslateRanker {
   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;
@@ -38,6 +41,7 @@ class MockTranslateRanker : public TranslateRanker {
   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,
@@ -53,6 +57,7 @@ class MockTranslateRanker : public TranslateRanker {
   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;