Standardize usage of virtual/override/final specifiers.

chrome/browser/custom_handlers/protocol_handler_registry_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 "chrome/browser/custom_handlers/protocol_handler_registry.h"
 
 #include <set>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 372 matching lines @@
     registry_.reset(new ProtocolHandlerRegistry(profile(), delegate()));
     if (initialize) registry_->InitProtocolSettings();
   }
 
   void TeadDownRegistry() {
     registry_->Shutdown();
     registry_.reset();
     // Registry owns the delegate_ it handles deletion of that object.
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     profile_.reset(new TestingProfile());
     CHECK(profile_->GetPrefs());
     SetUpRegistry(true);
     test_protocol_handler_ =
         CreateProtocolHandler("test", GURL("http://test.com/%s"));
   }
 
-  virtual void TearDown() {
-    TeadDownRegistry();
-  }
+  void TearDown() override { TeadDownRegistry(); }
 
   TestMessageLoop loop_;
 
  private:
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
   content::TestBrowserThread io_thread_;
 
   scoped_ptr<TestingProfile> profile_;
   FakeDelegate* delegate_;  // Registry assumes ownership of delegate_.
@@ skipping 696 matching lines @@
   // added to pref.
   ASSERT_EQ(InPrefIgnoredHandlerCount(), 2);
   ASSERT_EQ(InMemoryIgnoredHandlerCount(), 4);
 
   registry()->RemoveIgnoredHandler(p2u1);
 
   // p2u1 installed by user and policy, so it is removed from pref alone.
   ASSERT_EQ(InPrefIgnoredHandlerCount(), 1);
   ASSERT_EQ(InMemoryIgnoredHandlerCount(), 4);
 }