Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.mm

Index: chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.mm
diff --git a/chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.mm b/chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.mm
index 31943ec711dd2da99956f3ee2fcbf42e260ac1bb..0cdf50a24afd699ffdffc9bc308a30088c6e88cb 100644
--- a/chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.mm
+++ b/chrome/browser/ui/cocoa/table_row_nsimage_cache_unittest.mm
@@ -18,10 +18,8 @@ class TestTable : public TableRowNSImageCache::Table {
   }
 
   // TableRowNSImageCache::Table overrides.
-  virtual int RowCount() const override {
-    return rows_.size();
-  }
-  virtual gfx::ImageSkia GetIcon(int index) const override {
+  int RowCount() const override { return rows_.size(); }
+  gfx::ImageSkia GetIcon(int index) const override {
     return gfx::ImageSkia::CreateFrom1xBitmap(rows_[index]);
   }