Standardize usage of virtual/override/final specifiers.

remoting/base/resources_unittest.cc

Index: remoting/base/resources_unittest.cc
diff --git a/remoting/base/resources_unittest.cc b/remoting/base/resources_unittest.cc
index 65b4468a37ff35128075d355a1dc9d3a9e13f4e7..a684b2c089a556a736f4c44174fbe12f35884675 100644
--- a/remoting/base/resources_unittest.cc
+++ b/remoting/base/resources_unittest.cc
@@ -15,13 +15,9 @@ class ResourcesTest : public testing::Test {
   ResourcesTest(): resources_available_(false) {
   }
 
-  virtual void SetUp() override {
-    resources_available_ = LoadResources("en-US");
-  }
+  void SetUp() override { resources_available_ = LoadResources("en-US"); }
 
-  virtual void TearDown() override {
-    UnloadResources();
-  }
+  void TearDown() override { UnloadResources(); }
 
   bool resources_available_;
 };