Standardize usage of virtual/override/final specifiers.

content/browser/indexed_db/indexed_db_browsertest.cc

Index: content/browser/indexed_db/indexed_db_browsertest.cc
diff --git a/content/browser/indexed_db/indexed_db_browsertest.cc b/content/browser/indexed_db/indexed_db_browsertest.cc
index 12a28e19e70ff6b24268da7738fa4a625e5cf6a8..871d9f50f2f3ef1763e8eb72a22ada68d72b4997 100644
--- a/content/browser/indexed_db/indexed_db_browsertest.cc
+++ b/content/browser/indexed_db/indexed_db_browsertest.cc
@@ -49,13 +49,13 @@ class IndexedDBBrowserTest : public ContentBrowserTest {
  public:
   IndexedDBBrowserTest() : disk_usage_(-1) {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     GetTestClassFactory()->Reset();
     IndexedDBClassFactory::SetIndexedDBClassFactoryGetter(GetIDBClassFactory);
     ContentBrowserTest::SetUp();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     IndexedDBClassFactory::SetIndexedDBClassFactoryGetter(NULL);
     ContentBrowserTest::TearDown();
   }