Standardize usage of virtual/override/final specifiers.

content/renderer/dom_storage/dom_storage_cached_area_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 "content/renderer/dom_storage/dom_storage_cached_area.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 112 matching lines @@
       kValue(base::ASCIIToUTF16("value")),
       kPageUrl("http://dom_storage/page") {
   }
 
   const int64 kNamespaceId;
   const GURL kOrigin;
   const base::string16 kKey;
   const base::string16 kValue;
   const GURL kPageUrl;
 
-  virtual void SetUp() {
-    mock_proxy_ = new MockProxy();
-  }
+  void SetUp() override { mock_proxy_ = new MockProxy(); }
 
   bool IsPrimed(DOMStorageCachedArea* cached_area) {
     return cached_area->map_.get();
   }
 
   bool IsIgnoringAllMutations(DOMStorageCachedArea* cached_area) {
     return cached_area->ignore_all_mutations_;
   }
 
   bool IsIgnoringKeyMutations(DOMStorageCachedArea* cached_area,
@@ skipping 207 matching lines @@
   EXPECT_FALSE(IsIgnoringKeyMutations(cached_area.get(), kKey));
 
   // A failed set item operation should Reset the cache.
   EXPECT_TRUE(cached_area->SetItem(kConnectionId, kKey, kValue, kPageUrl));
   EXPECT_TRUE(IsIgnoringKeyMutations(cached_area.get(), kKey));
   mock_proxy_->CompleteOnePendingCallback(false);
   EXPECT_FALSE(IsPrimed(cached_area.get()));
 }
 
 }  // namespace content