Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/tests/gl_query_unittest.cc

Index: gpu/command_buffer/tests/gl_query_unittest.cc
diff --git a/gpu/command_buffer/tests/gl_query_unittest.cc b/gpu/command_buffer/tests/gl_query_unittest.cc
index 87235e51f674c1a96be6fedd35675d98ee1d92a4..0104430a32414d6c78336276160d5996e898ff10 100644
--- a/gpu/command_buffer/tests/gl_query_unittest.cc
+++ b/gpu/command_buffer/tests/gl_query_unittest.cc
@@ -16,13 +16,9 @@ namespace gpu {
 
 class QueryTest : public testing::Test {
  protected:
-  virtual void SetUp() {
-    gl_.Initialize(GLManager::Options());
-  }
+  void SetUp() override { gl_.Initialize(GLManager::Options()); }
 
-  virtual void TearDown() {
-    gl_.Destroy();
-  }
+  void TearDown() override { gl_.Destroy(); }
 
   GLManager gl_;
 };