Standardize usage of virtual/override/final specifiers.

chrome/browser/component_updater/test/cld_component_installer_unittest.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 <stdint.h>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 15 matching lines @@
 const base::FilePath::CharType kTestCldDataFileName[] =
     FILE_PATH_LITERAL("cld2_data.bin");
 
 }  // namespace
 
 namespace component_updater {
 
 class CldComponentInstallerTest : public PlatformTest {
  public:
   CldComponentInstallerTest() {}
-  virtual void SetUp() override {
+  void SetUp() override {
     PlatformTest::SetUp();
 
     // ScopedTempDir automatically does a recursive delete on the entire
     // directory in its destructor, so no cleanup is required in TearDown.
     // Note that all files created by this test case are created within the
     // directory that is created here, so even though they are not explicitly
     // created *as temp files*, they will still get cleaned up automagically.
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     // The "latest CLD data file" is a static piece of information, and thus
@@ skipping 72 matching lines @@
   traits_.ComponentReady(version, install_dir, manifest.Pass());
   base::FilePath result =
       CldComponentInstallerTraits::GetLatestCldDataFile();
   ASSERT_TRUE(StartsWith(result.AsUTF16Unsafe(),
                          install_dir.AsUTF16Unsafe(),
                          true));
   ASSERT_TRUE(EndsWith(result.value(), kTestCldDataFileName, true));
 }
 
 }  // namespace component_updater