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

chrome/browser/component_updater/cld_component_installer.h

Index: chrome/browser/component_updater/cld_component_installer.h
diff --git a/chrome/browser/component_updater/cld_component_installer.h b/chrome/browser/component_updater/cld_component_installer.h
index 0979923c4bb4441f0ce7e7770f86c4f2b2b88380..0e913cc0ab0c0613aa95d1ca14efd7bce6e080de 100644
--- a/chrome/browser/component_updater/cld_component_installer.h
+++ b/chrome/browser/component_updater/cld_component_installer.h
@@ -26,7 +26,7 @@ class ComponentUpdateService;
 class CldComponentInstallerTraits : public ComponentInstallerTraits {
  public:
   CldComponentInstallerTraits();
-  virtual ~CldComponentInstallerTraits() {}
+  ~CldComponentInstallerTraits() override {}
 
  private:
   friend class CldComponentInstallerTest;  // For access within SetUp()
@@ -41,19 +41,17 @@ class CldComponentInstallerTraits : public ComponentInstallerTraits {
   FRIEND_TEST_ALL_PREFIXES(CldComponentInstallerTest, VerifyInstallation);
 
   // The following methods override ComponentInstallerTraits.
-  virtual bool CanAutoUpdate() const override;
-  virtual bool OnCustomInstall(const base::DictionaryValue& manifest,
-                               const base::FilePath& install_dir) override;
-  virtual bool VerifyInstallation(
-      const base::DictionaryValue& manifest,
-      const base::FilePath& install_dir) const override;
-  virtual void ComponentReady(
-      const base::Version& version,
-      const base::FilePath& path,
-      scoped_ptr<base::DictionaryValue> manifest) override;
-  virtual base::FilePath GetBaseDirectory() const override;
-  virtual void GetHash(std::vector<uint8_t>* hash) const override;
-  virtual std::string GetName() const override;
+  bool CanAutoUpdate() const override;
+  bool OnCustomInstall(const base::DictionaryValue& manifest,
+                       const base::FilePath& install_dir) override;
+  bool VerifyInstallation(const base::DictionaryValue& manifest,
+                          const base::FilePath& install_dir) const override;
+  void ComponentReady(const base::Version& version,
+                      const base::FilePath& path,
+                      scoped_ptr<base::DictionaryValue> manifest) override;
+  base::FilePath GetBaseDirectory() const override;
+  void GetHash(std::vector<uint8_t>* hash) const override;
+  std::string GetName() const override;
 
   static base::FilePath GetInstalledPath(const base::FilePath& base);