Update {virtual,override,final} to follow C++11 style in gpu.

gpu/command_buffer/tests/gl_unittests_android.cc

Index: gpu/command_buffer/tests/gl_unittests_android.cc
diff --git a/gpu/command_buffer/tests/gl_unittests_android.cc b/gpu/command_buffer/tests/gl_unittests_android.cc
index d3517a6ab26269d8114d9f03632078b320132450..9bdd503fd9d8599ffd331f2b36dcc692857dc8d3 100644
--- a/gpu/command_buffer/tests/gl_unittests_android.cc
+++ b/gpu/command_buffer/tests/gl_unittests_android.cc
@@ -22,13 +22,9 @@ namespace gpu {
 
 class GLSurfaceTextureTest : public testing::Test {
  protected:
-  virtual void SetUp() override {
-    gl_.Initialize(GLManager::Options());
-  }
+  void SetUp() override { gl_.Initialize(GLManager::Options()); }
 
-  virtual void TearDown() override {
-    gl_.Destroy();
-  }
+  void TearDown() override { gl_.Destroy(); }
 
   GLManager gl_;
 };