Standardize usage of virtual/override/final specifiers.

content/browser/dom_storage/dom_storage_context_impl_unittest.cc

 // Copyright 2013 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 "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 22 matching lines @@
       kDontIncludeFileInfo(false),
       kDoIncludeFileInfo(true) {
   }
 
   const GURL kOrigin;
   const base::string16 kKey;
   const base::string16 kValue;
   const bool kDontIncludeFileInfo;
   const bool kDoIncludeFileInfo;
 
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     storage_policy_ = new MockSpecialStoragePolicy;
     task_runner_ =
         new MockDOMStorageTaskRunner(base::MessageLoopProxy::current().get());
     context_ = new DOMStorageContextImpl(temp_dir_.path(),
                                          base::FilePath(),
                                          storage_policy_.get(),
                                          task_runner_.get());
   }
 
-  virtual void TearDown() {
-    base::MessageLoop::current()->RunUntilIdle();
-  }
+  void TearDown() override { base::MessageLoop::current()->RunUntilIdle(); }
 
   void VerifySingleOriginRemains(const GURL& origin) {
     // Use a new instance to examine the contexts of temp_dir_.
     scoped_refptr<DOMStorageContextImpl> context =
         new DOMStorageContextImpl(temp_dir_.path(), base::FilePath(),
                                   NULL, NULL);
     std::vector<LocalStorageUsageInfo> infos;
     context->GetLocalStorageUsage(&infos, kDontIncludeFileInfo);
     ASSERT_EQ(1u, infos.size());
     EXPECT_EQ(origin, infos[0].origin);
@@ skipping 300 matching lines @@
   // Verify that the merge was successful.
   ASSERT_TRUE(alias_ns->alias_master_namespace() == target_ns);
   base::NullableString16 read_value = target_ns_area->GetItem(kKey);
   EXPECT_TRUE(!read_value.is_null() && read_value.string() == kValue2);
   DOMStorageArea* alias_ns_area = alias_ns->OpenStorageArea(kOrigin);
   read_value = alias_ns_area->GetItem(kKey2);
   EXPECT_TRUE(!read_value.is_null() && read_value.string() == kKey2Value);
 }
 
 }  // namespace content