Virtualize DataUseRecorder's destructor

chrome/browser/data_use_measurement/chrome_data_use_recorder.h

Index: chrome/browser/data_use_measurement/chrome_data_use_recorder.h
diff --git a/chrome/browser/data_use_measurement/chrome_data_use_recorder.h b/chrome/browser/data_use_measurement/chrome_data_use_recorder.h
index 11775db96710131521f0faa2203bed990f29afc4..150b16a5409d5802ca711149cb88248a2f3acc31 100644
--- a/chrome/browser/data_use_measurement/chrome_data_use_recorder.h
+++ b/chrome/browser/data_use_measurement/chrome_data_use_recorder.h
@@ -18,7 +18,7 @@ typedef std::pair<int, int> RenderFrameHostID;
 class ChromeDataUseRecorder : public DataUseRecorder {
  public:
   ChromeDataUseRecorder();
-  ~ChromeDataUseRecorder();
+  ~ChromeDataUseRecorder() override;
 
   RenderFrameHostID main_frame_id() const { return main_frame_id_; }