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

chrome/browser/sync/test/integration/extensions_helper.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/sync/test/integration/extensions_helper.h"
 
 #include <cstring>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 123 matching lines @@
 }
 
 namespace {
 
 // A helper class to implement waiting for a set of profiles to have matching
 // extensions lists.
 class ExtensionsMatchChecker : public StatusChangeChecker,
                                public extensions::ExtensionRegistryObserver {
  public:
   explicit ExtensionsMatchChecker(const std::vector<Profile*>& profiles);
-  virtual ~ExtensionsMatchChecker();
+  ~ExtensionsMatchChecker() override;
 
   // StatusChangeChecker implementation.
-  virtual std::string GetDebugMessage() const override;
-  virtual bool IsExitConditionSatisfied() override;
+  std::string GetDebugMessage() const override;
+  bool IsExitConditionSatisfied() override;
 
   // extensions::ExtensionRegistryObserver implementation.
-  virtual void OnExtensionLoaded(
-      content::BrowserContext* context,
-      const extensions::Extension* extension) override;
-  virtual void OnExtensionUnloaded(
+  void OnExtensionLoaded(content::BrowserContext* context,
+                         const extensions::Extension* extension) override;
+  void OnExtensionUnloaded(
       content::BrowserContext* context,
       const extensions::Extension* extenion,
       extensions::UnloadedExtensionInfo::Reason reason) override;
-  virtual void OnExtensionInstalled(
-      content::BrowserContext* browser_context,
-      const extensions::Extension* extension,
-      bool is_update) override;
-  virtual void OnExtensionUninstalled(
-      content::BrowserContext* browser_context,
-      const extensions::Extension* extension,
-      extensions::UninstallReason reason) override;
+  void OnExtensionInstalled(content::BrowserContext* browser_context,
+                            const extensions::Extension* extension,
+                            bool is_update) override;
+  void OnExtensionUninstalled(content::BrowserContext* browser_context,
+                              const extensions::Extension* extension,
+                              extensions::UninstallReason reason) override;
 
   void Wait();
 
  private:
   std::vector<Profile*> profiles_;
   ScopedVector<SyncedExtensionInstaller> synced_extension_installers_;
   bool observing_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsMatchChecker);
 };
@@ skipping 91 matching lines @@
   for (int i = 0; i < test()->num_clients(); ++i) {
     profiles.push_back(test()->GetProfile(i));
   }
 
   ExtensionsMatchChecker checker(profiles);
   checker.Wait();
   return !checker.TimedOut();
 }
 
 }  // namespace extensions_helper