Standardize usage of virtual/override/final in chrome/

chrome/test/gpu/webgl_infobar_browsertest.cc

Index: chrome/test/gpu/webgl_infobar_browsertest.cc
diff --git a/chrome/test/gpu/webgl_infobar_browsertest.cc b/chrome/test/gpu/webgl_infobar_browsertest.cc
index 0700d831ec631a8da743b4aa22aeba2fec45e788..74fc80f4797eba2cad93051af74dd22d8a0306ee 100644
--- a/chrome/test/gpu/webgl_infobar_browsertest.cc
+++ b/chrome/test/gpu/webgl_infobar_browsertest.cc
@@ -53,7 +53,7 @@ void SimulateGPUCrash(Browser* browser) {
 
 class WebGLInfoBarTest : public InProcessBrowserTest {
  protected:
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     base::FilePath test_dir;
     ASSERT_TRUE(PathService::Get(content::DIR_TEST_DATA, &test_dir));
     gpu_test_dir_ = test_dir.AppendASCII("gpu");