Standardize usage of virtual/override/final specifiers.

content/browser/devtools/embedded_worker_devtools_manager_unittest.cc

Index: content/browser/devtools/embedded_worker_devtools_manager_unittest.cc
diff --git a/content/browser/devtools/embedded_worker_devtools_manager_unittest.cc b/content/browser/devtools/embedded_worker_devtools_manager_unittest.cc
index b15dc3b11815ede9adb77deb82abe557ebb37b0d..35a0b301ac20886cfbb5fd0b0d71912b5a2a4d8e 100644
--- a/content/browser/devtools/embedded_worker_devtools_manager_unittest.cc
+++ b/content/browser/devtools/embedded_worker_devtools_manager_unittest.cc
@@ -58,10 +58,10 @@ class EmbeddedWorkerDevToolsManagerTest : public testing::Test {
         partition_id_(*partition_.get()) {}
 
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     manager_ = EmbeddedWorkerDevToolsManager::GetInstance();
   }
-  virtual void TearDown() override {
+  void TearDown() override {
     EmbeddedWorkerDevToolsManager::GetInstance()->ResetForTesting();
   }