Standardize usage of virtual/override/final in components/

components/search_engines/testing_search_terms_data.h

Index: components/search_engines/testing_search_terms_data.h
diff --git a/components/search_engines/testing_search_terms_data.h b/components/search_engines/testing_search_terms_data.h
index c5d242992c1b1cf9c75240791f028cef542ebfad..970bb541437599a62c30ecd1de9f8abe3cb06f4a 100644
--- a/components/search_engines/testing_search_terms_data.h
+++ b/components/search_engines/testing_search_terms_data.h
@@ -10,16 +10,15 @@
 class TestingSearchTermsData : public SearchTermsData {
  public:
   explicit TestingSearchTermsData(const std::string& google_base_url);
-  virtual ~TestingSearchTermsData();
-
-  virtual std::string GoogleBaseURLValue() const override;
-  virtual base::string16 GetRlzParameterValue(
-      bool from_app_list) const override;
-  virtual std::string GetSearchClient() const override;
-  virtual std::string GoogleImageSearchSource() const override;
-  virtual bool EnableAnswersInSuggest() const override;
-  virtual bool IsShowingSearchTermsOnSearchResultsPages() const override;
-  virtual int OmniboxStartMargin() const override;
+  ~TestingSearchTermsData() override;
+
+  std::string GoogleBaseURLValue() const override;
+  base::string16 GetRlzParameterValue(bool from_app_list) const override;
+  std::string GetSearchClient() const override;
+  std::string GoogleImageSearchSource() const override;
+  bool EnableAnswersInSuggest() const override;
+  bool IsShowingSearchTermsOnSearchResultsPages() const override;
+  int OmniboxStartMargin() const override;
 
   void set_google_base_url(const std::string& google_base_url) {
     google_base_url_ = google_base_url;