Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc

 // Copyright 2014 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
@@ skipping 39 matching lines @@
 
 namespace gpu {
 namespace gles2 {
 
 using namespace cmds;
 
 class GLES2DecoderTestWithExtensionsOnGLES2 : public GLES2DecoderTest {
  public:
   GLES2DecoderTestWithExtensionsOnGLES2() {}
 
-  virtual void SetUp() {}
+  void SetUp() override {}
   void Init(const char* extensions) {
     InitState init;
     init.extensions = extensions;
     init.gl_version = "opengl es 2.0";
     init.has_alpha = true;
     init.has_depth = true;
     init.request_alpha = true;
     init.request_depth = true;
     InitDecoder(init);
   }
@@ skipping 2323 matching lines @@
   EXPECT_EQ(1, result->GetNumResults());
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
 
 // TODO(gman): PixelStorei
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu