Standardize usage of virtual/override/final in chrome/browser/

chrome/browser/search/hotword_service_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 "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service_test_base.h"
@@ skipping 14 matching lines @@
 
 namespace {
 
 class MockHotwordService : public HotwordService {
  public:
   explicit MockHotwordService(Profile* profile)
       : HotwordService(profile),
         uninstall_count_(0) {
   }
 
-  virtual bool UninstallHotwordExtension(
-      ExtensionService* extension_service) override {
+  bool UninstallHotwordExtension(ExtensionService* extension_service) override {
     uninstall_count_++;
     return HotwordService::UninstallHotwordExtension(extension_service);
   }
 
-  virtual void InstallHotwordExtensionFromWebstore() override{
+  void InstallHotwordExtensionFromWebstore() override {
     scoped_ptr<base::DictionaryValue> manifest =
         extensions::DictionaryBuilder()
         .Set("name", "Hotword Test Extension")
         .Set("version", "1.0")
         .Set("manifest_version", 2)
         .Build();
     scoped_refptr<extensions::Extension> extension =
         extensions::ExtensionBuilder().SetManifest(manifest.Pass())
         .AddFlags(extensions::Extension::FROM_WEBSTORE
                   | extensions::Extension::WAS_INSTALLED_BY_DEFAULT)
@@ skipping 284 matching lines @@
   EXPECT_EQ("fr_fr",
             profile()->GetPrefs()->GetString(prefs::kHotwordPreviousLanguage));
 
   // If the locale is set back to the last valid one, then an uninstall-install
   // shouldn't be needed.
   SetApplicationLocale(profile(), "fr_fr");
   EXPECT_TRUE(HotwordServiceFactory::IsHotwordAllowed(profile()));
   EXPECT_FALSE(hotword_service->MaybeReinstallHotwordExtension());
   EXPECT_EQ(1, hotword_service->uninstall_count());  // no change
 }