Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/tests/gl_copy_texture_CHROMIUM_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 
 #include "gpu/command_buffer/tests/gl_manager.h"
 #include "gpu/command_buffer/tests/gl_test_utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 
 // A collection of tests that exercise the GL_CHROMIUM_copy_texture extension.
 class GLCopyTextureCHROMIUMTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     gl_.Initialize(GLManager::Options());
 
     glGenTextures(2, textures_);
     glBindTexture(GL_TEXTURE_2D, textures_[1]);
 
     // Some drivers (NVidia/SGX) require texture settings to be a certain way or
     // they won't report FRAMEBUFFER_COMPLETE.
     glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 
     glGenFramebuffers(1, &framebuffer_id_);
     glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id_);
     glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
                            textures_[1], 0);
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     glDeleteTextures(2, textures_);
     glDeleteFramebuffers(1, &framebuffer_id_);
     gl_.Destroy();
   }
 
   GLManager gl_;
   GLuint textures_[2];
   GLuint framebuffer_id_;
 };
 
@@ skipping 570 matching lines @@
       EXPECT_EQ(0, pixels[y][x][1]);
       EXPECT_EQ(0, pixels[y][x][2]);
       EXPECT_EQ(0, pixels[y][x][3]);
     }
   }
 
   EXPECT_TRUE(GL_NO_ERROR == glGetError());
 }
 
 }  // namespace gpu