Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/service/gles2_cmd_decoder_unittest.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_H_
 
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
@@ skipping 39 matching lines @@
   GLES2DecoderWithShaderTest() : GLES2DecoderWithShaderTestBase() {}
 
   void CheckTextureChangesMarkFBOAsNotComplete(bool bound_fbo);
   void CheckRenderbufferChangesMarkFBOAsNotComplete(bool bound_fbo);
 };
 
 class GLES2DecoderRGBBackbufferTest : public GLES2DecoderWithShaderTest {
  public:
   GLES2DecoderRGBBackbufferTest() {}
 
-  virtual void SetUp();
+  void SetUp() override;
 };
 
 class GLES2DecoderManualInitTest : public GLES2DecoderWithShaderTest {
  public:
   GLES2DecoderManualInitTest() {}
 
   // Override default setup so nothing gets setup.
-  virtual void SetUp();
+  void SetUp() override;
 
   void DirtyStateMaskTest(GLuint color_bits,
                           bool depth_mask,
                           GLuint front_stencil_mask,
                           GLuint back_stencil_mask);
   void EnableDisableTest(GLenum cap, bool enable, bool expect_set);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_H_