Standardize usage of virtual/override/final in components/

components/bookmarks/test/test_bookmark_client.h

Index: components/bookmarks/test/test_bookmark_client.h
diff --git a/components/bookmarks/test/test_bookmark_client.h b/components/bookmarks/test/test_bookmark_client.h
index ca191560f7e8d12b014e6d65f3b260f1b2d449a9..188832d7ad979f78427f0b2c46995de9f981ac27 100644
--- a/components/bookmarks/test/test_bookmark_client.h
+++ b/components/bookmarks/test/test_bookmark_client.h
@@ -15,7 +15,7 @@ namespace bookmarks {
 class TestBookmarkClient : public BookmarkClient {
  public:
   TestBookmarkClient();
-  virtual ~TestBookmarkClient();
+  ~TestBookmarkClient() override;
 
   // Create a BookmarkModel using this object as its client. The returned
   // BookmarkModel* is owned by the caller.
@@ -38,14 +38,12 @@ class TestBookmarkClient : public BookmarkClient {
 
  private:
   // BookmarkClient:
-  virtual bool IsPermanentNodeVisible(
-      const BookmarkPermanentNode* node) override;
-  virtual void RecordAction(const base::UserMetricsAction& action) override;
-  virtual LoadExtraCallback GetLoadExtraNodesCallback() override;
-  virtual bool CanSetPermanentNodeTitle(
-      const BookmarkNode* permanent_node) override;
-  virtual bool CanSyncNode(const BookmarkNode* node) override;
-  virtual bool CanBeEditedByUser(const BookmarkNode* node) override;
+  bool IsPermanentNodeVisible(const BookmarkPermanentNode* node) override;
+  void RecordAction(const base::UserMetricsAction& action) override;
+  LoadExtraCallback GetLoadExtraNodesCallback() override;
+  bool CanSetPermanentNodeTitle(const BookmarkNode* permanent_node) override;
+  bool CanSyncNode(const BookmarkNode* node) override;
+  bool CanBeEditedByUser(const BookmarkNode* node) override;
 
   // Helpers for GetLoadExtraNodesCallback().
   static BookmarkPermanentNodeList LoadExtraNodes(