Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_attribs.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 215 matching lines @@
     }
   }
 }
 
 class GLES2DecoderVertexArraysOESTest : public GLES2DecoderWithShaderTest {
  public:
   GLES2DecoderVertexArraysOESTest() {}
 
   bool vertex_array_deleted_manually_;
 
-  virtual void SetUp() {
+  void SetUp() override {
     InitState init;
     init.gl_version = "opengl es 2.0";
     init.bind_generates_resource = true;
     InitDecoder(init);
     SetupDefaultProgram();
 
     AddExpectationsForGenVertexArraysOES();
     GenHelper<GenVertexArraysOESImmediate>(client_vertexarray_id_);
 
     vertex_array_deleted_manually_ = false;
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     // This should only be set if the test handled deletion of the vertex array
     // itself. Necessary because vertex_array_objects are not sharable, and thus
     // not managed in the ContextGroup, meaning they will be destroyed during
     // test tear down
     if (!vertex_array_deleted_manually_) {
       AddExpectationsForDeleteVertexArraysOES();
     }
 
     GLES2DecoderWithShaderTest::TearDown();
   }
@@ skipping 88 matching lines @@
 
 INSTANTIATE_TEST_CASE_P(Service,
                         GLES2DecoderVertexArraysOESTest,
                         ::testing::Bool());
 
 class GLES2DecoderEmulatedVertexArraysOESTest
     : public GLES2DecoderVertexArraysOESTest {
  public:
   GLES2DecoderEmulatedVertexArraysOESTest() {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     InitState init;
     init.gl_version = "3.0";
     init.bind_generates_resource = true;
     init.use_native_vao = false;
     InitDecoder(init);
     SetupDefaultProgram();
 
     AddExpectationsForGenVertexArraysOES();
     GenHelper<GenVertexArraysOESImmediate>(client_vertexarray_id_);
 
@@ skipping 106 matching lines @@
 // TODO(gman): BufferData
 
 // TODO(gman): BufferDataImmediate
 
 // TODO(gman): BufferSubData
 
 // TODO(gman): BufferSubDataImmediate
 
 }  // namespace gles2
 }  // namespace gpu