Standardize usage of virtual/override/final specifiers.

chrome/browser/webdata/keyword_table_unittest.cc

Index: chrome/browser/webdata/keyword_table_unittest.cc
diff --git a/chrome/browser/webdata/keyword_table_unittest.cc b/chrome/browser/webdata/keyword_table_unittest.cc
index 738edd96519daf34fbad98a11fa1efa97f918661..0f528ba5f7291c51aa0641966cb3d0834e63d5c7 100644
--- a/chrome/browser/webdata/keyword_table_unittest.cc
+++ b/chrome/browser/webdata/keyword_table_unittest.cc
@@ -24,10 +24,10 @@ using base::TimeDelta;
 class KeywordTableTest : public testing::Test {
  public:
   KeywordTableTest() {}
-  virtual ~KeywordTableTest() {}
+  ~KeywordTableTest() override {}
 
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     file_ = temp_dir_.path().AppendASCII("TestWebDatabase");