Standardize usage of virtual/override/final specifiers.

extensions/browser/error_map_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 "extensions/browser/error_map.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "components/crx_file/id_util.h"
 #include "extensions/browser/extension_error.h"
 #include "extensions/browser/extension_error_test_util.h"
 #include "extensions/common/constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 using error_test_util::CreateNewRuntimeError;
 
 class ErrorMapUnitTest : public testing::Test {
  public:
   ErrorMapUnitTest() { }
-  virtual ~ErrorMapUnitTest() { }
+  ~ErrorMapUnitTest() override {}
 
-  virtual void SetUp() override {
-    testing::Test::SetUp();
-  }
+  void SetUp() override { testing::Test::SetUp(); }
 
  protected:
   ErrorMap errors_;
 };
 
 // Test adding errors, and removing them by reference, by incognito status,
 // and in bulk.
 TEST_F(ErrorMapUnitTest, AddAndRemoveErrors) {
   ASSERT_EQ(0u, errors_.size());
 
@@ skipping 100 matching lines @@
   const ErrorList& list = errors_.GetErrorsForExtension(kId);
   ASSERT_EQ(kNumErrors, list.size());
 
   // The duplicate error should be the last reported (pointer comparison)...
   ASSERT_EQ(weak_error, list.back());
   // ... and should have two reported occurrences.
   ASSERT_EQ(2u, list.back()->occurrences());
 }
 
 }  // namespace extensions