Standardize usage of virtual/override/final specifiers.

content/browser/webui/web_ui_data_source_unittest.cc

Index: content/browser/webui/web_ui_data_source_unittest.cc
diff --git a/content/browser/webui/web_ui_data_source_unittest.cc b/content/browser/webui/web_ui_data_source_unittest.cc
index 60dcb64a2af98297d330b4b0fa8f1473c82a0196..c5b469860a281de24339918ddba33ffbbd83b317 100644
--- a/content/browser/webui/web_ui_data_source_unittest.cc
+++ b/content/browser/webui/web_ui_data_source_unittest.cc
@@ -52,7 +52,7 @@ class TestClient : public TestContentClient {
 class WebUIDataSourceTest : public testing::Test {
  public:
   WebUIDataSourceTest() : result_data_(NULL) {}
-  virtual ~WebUIDataSourceTest() {}
+  ~WebUIDataSourceTest() override {}
   WebUIDataSourceImpl* source() { return source_.get(); }
 
   void StartDataRequest(const std::string& path) {
@@ -70,7 +70,7 @@ class WebUIDataSourceTest : public testing::Test {
   scoped_refptr<base::RefCountedMemory> result_data_;
 
  private:
-  virtual void SetUp() {
+  void SetUp() override {
     SetContentClient(&client_);
     WebUIDataSource* source = WebUIDataSourceImpl::Create("host");
     WebUIDataSourceImpl* source_impl = static_cast<WebUIDataSourceImpl*>(