Standardize usage of virtual/override/final specifiers.

net/base/elements_upload_data_stream_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.
 
 #include "net/base/elements_upload_data_stream.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 107 matching lines @@
   int init_result_;
 
   // Result value returned from Read().
   int read_result_;
 };
 
 }  // namespace
 
 class ElementsUploadDataStreamTest : public PlatformTest {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     PlatformTest::SetUp();
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
   }
-  virtual ~ElementsUploadDataStreamTest() {
+  ~ElementsUploadDataStreamTest() override {
     element_readers_.clear();
     base::RunLoop().RunUntilIdle();
   }
 
   void FileChangedHelper(const base::FilePath& file_path,
                          const base::Time& time,
                          bool error_expected);
 
   base::ScopedTempDir temp_dir_;
   ScopedVector<UploadElementReader> element_readers_;
@@ skipping 669 matching lines @@
                 wrapped_buffer2.get(), buf2.size(), read_callback2.callback()));
   EXPECT_EQ(static_cast<int>(buf2.size()), read_callback2.WaitForResult());
   EXPECT_EQ(expected_data, buf2);
   EXPECT_TRUE(stream->IsEOF());
 
   // Make sure callbacks are not called for cancelled operations.
   EXPECT_FALSE(read_callback1.have_result());
 }
 
 }  // namespace net