Standardize usage of virtual/override/final in components/

components/enhanced_bookmarks/test_image_store.h

Index: components/enhanced_bookmarks/test_image_store.h
diff --git a/components/enhanced_bookmarks/test_image_store.h b/components/enhanced_bookmarks/test_image_store.h
index 2666ea05d9b7776bacbb13e706111e6c524f9dc6..5acef167c394b0f6d0874d16348500f648336749 100644
--- a/components/enhanced_bookmarks/test_image_store.h
+++ b/components/enhanced_bookmarks/test_image_store.h
@@ -13,19 +13,19 @@
 class TestImageStore : public ImageStore {
  public:
   TestImageStore();
-  virtual bool HasKey(const GURL& page_url) override;
-  virtual void Insert(const GURL& page_url,
-                      const GURL& image_url,
-                      const gfx::Image& image) override;
-  virtual void Erase(const GURL& page_url) override;
-  virtual std::pair<gfx::Image, GURL> Get(const GURL& page_url) override;
-  virtual gfx::Size GetSize(const GURL& page_url) override;
-  virtual void GetAllPageUrls(std::set<GURL>* urls) override;
-  virtual void ClearAll() override;
-  virtual int64 GetStoreSizeInBytes() override;
+  bool HasKey(const GURL& page_url) override;
+  void Insert(const GURL& page_url,
+              const GURL& image_url,
+              const gfx::Image& image) override;
+  void Erase(const GURL& page_url) override;
+  std::pair<gfx::Image, GURL> Get(const GURL& page_url) override;
+  gfx::Size GetSize(const GURL& page_url) override;
+  void GetAllPageUrls(std::set<GURL>* urls) override;
+  void ClearAll() override;
+  int64 GetStoreSizeInBytes() override;
 
  protected:
-  virtual ~TestImageStore();
+  ~TestImageStore() override;
 
  private:
   typedef std::map<const GURL, std::pair<gfx::Image, const GURL> > ImageMap;