Send UMA recording state to TranslateRanker.

components/translate/core/browser/translate_ranker.h

 // Copyright 2016 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_TRANSLATE_RANKER_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_RANKER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 42 matching lines @@
   // |translate_event.decision_overrides()|. If override is disabled,
   // returns false and finalize and record |translate_event| with
   // |event_type| as |translate_event.event_type()|.  |event_type|
   // must be one of the values defined by
   // metrics::TranslateEventProto::EventType.
   virtual bool ShouldOverrideDecision(
       int event_type,
       const GURL& url,
       metrics::TranslateEventProto* translate_event) = 0;
 
+  // Override the default enabled/disabled state of translate event logging.
+  virtual void EnableLogging(bool enable_logging) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(TranslateRanker);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_RANKER_H_