Allow TranslateRanker to override decisions taken by heuristics.

components/translate/core/browser/translate_manager.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/translate/core/browser/translate_manager.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 594 matching lines @@
 
 void TranslateManager::RecordTranslateEvent(int event_type) {
   DCHECK(metrics::TranslateEventProto::EventType_IsValid(event_type));
   translate_event_->set_event_type(
       static_cast<metrics::TranslateEventProto::EventType>(event_type));
   translate_event_->set_event_timestamp_sec(
       (base::TimeTicks::Now() - base::TimeTicks()).InSeconds());
   translate_ranker_->AddTranslateEvent(*translate_event_);
 }
 
+bool TranslateManager::ShouldOverrideDecision(int event_type) {
+  DCHECK(metrics::TranslateEventProto::EventType_IsValid(event_type));
+  if (translate_ranker_->IsDecisionOverrideEnabled()) {
+    translate_event_->add_decision_overrides(
+        static_cast<metrics::TranslateEventProto::EventType>(event_type));
+    DVLOG(3) << "Overriding decision of type: " << event_type;
+    return true;
+  } else {
+    RecordTranslateEvent(event_type);
+    return false;
+  }
+}
+
 }  // namespace translate