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

chrome/browser/sessions/persistent_tab_restore_service_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 "chrome/browser/sessions/persistent_tab_restore_service.h"
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/strings/stringprintf.h"
@@ skipping 28 matching lines @@
 using content::WebContentsTester;
 using sessions::SerializedNavigationEntry;
 using sessions::SerializedNavigationEntryTestHelper;
 
 // Create subclass that overrides TimeNow so that we can control the time used
 // for closed tabs and windows.
 class PersistentTabRestoreTimeFactory : public TabRestoreService::TimeFactory {
  public:
   PersistentTabRestoreTimeFactory() : time_(base::Time::Now()) {}
 
-  virtual ~PersistentTabRestoreTimeFactory() {}
+  ~PersistentTabRestoreTimeFactory() override {}
 
-  virtual base::Time TimeNow() override {
-    return time_;
-  }
+  base::Time TimeNow() override { return time_; }
 
  private:
   base::Time time_;
 };
 
 class PersistentTabRestoreServiceTest : public ChromeRenderViewHostTestHarness {
  public:
   PersistentTabRestoreServiceTest()
     : url1_("http://1"),
       url2_("http://2"),
@@ skipping 110 matching lines @@
 namespace {
 
 class TestTabRestoreServiceObserver : public TabRestoreServiceObserver {
  public:
   TestTabRestoreServiceObserver() : got_loaded_(false) {}
 
   void clear_got_loaded() { got_loaded_ = false; }
   bool got_loaded() const { return got_loaded_; }
 
   // TabRestoreServiceObserver:
-  virtual void TabRestoreServiceChanged(TabRestoreService* service) override {
-  }
-  virtual void TabRestoreServiceDestroyed(TabRestoreService* service) override {
-  }
-  virtual void TabRestoreServiceLoaded(TabRestoreService* service) override {
+  void TabRestoreServiceChanged(TabRestoreService* service) override {}
+  void TabRestoreServiceDestroyed(TabRestoreService* service) override {}
+  void TabRestoreServiceLoaded(TabRestoreService* service) override {
     got_loaded_ = true;
   }
 
  private:
   // Was TabRestoreServiceLoaded() invoked?
   bool got_loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(TestTabRestoreServiceObserver);
 };
 
@@ skipping 559 matching lines @@
 
   EXPECT_FALSE(service_->IsLoaded());
   TestTabRestoreServiceObserver observer;
   service_->AddObserver(&observer);
   EXPECT_EQ(max_entries, service_->entries().size());
   SynchronousLoadTabsFromLastSession();
   EXPECT_TRUE(observer.got_loaded());
   EXPECT_TRUE(service_->IsLoaded());
   service_->RemoveObserver(&observer);
 }