Add the "virtual" keyword on method overrides that are missing it.

chrome/browser/password_manager/password_store_default.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_DEFAULT_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_DEFAULT_H_
 #pragma once
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/password_manager/login_database.h"
 #include "chrome/browser/password_manager/password_store.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/webdata/web_data_service.h"
 
 // Simple password store implementation that delegates everything to
 // the LoginDatabase.
 class PasswordStoreDefault : public PasswordStore,
                              public WebDataServiceConsumer {
  public:
   // Takes ownership of |login_db|.
   PasswordStoreDefault(LoginDatabase* login_db,
                        Profile* profile,
                        WebDataService* web_data_service);
 
  protected:
   virtual ~PasswordStoreDefault();
 
   // Implements PasswordStore interface.
-  void ReportMetricsImpl();
-  void AddLoginImpl(const webkit_glue::PasswordForm& form);
-  void UpdateLoginImpl(const webkit_glue::PasswordForm& form);
-  void RemoveLoginImpl(const webkit_glue::PasswordForm& form);
-  void RemoveLoginsCreatedBetweenImpl(const base::Time& delete_begin,
-                                      const base::Time& delete_end);
-  void GetLoginsImpl(GetLoginsRequest* request,
-                     const webkit_glue::PasswordForm& form);
-  void GetAutofillableLoginsImpl(GetLoginsRequest* request);
-  void GetBlacklistLoginsImpl(GetLoginsRequest* request);
-  bool FillAutofillableLogins(
+  virtual void ReportMetricsImpl();
+  virtual void AddLoginImpl(const webkit_glue::PasswordForm& form);
+  virtual void UpdateLoginImpl(const webkit_glue::PasswordForm& form);
+  virtual void RemoveLoginImpl(const webkit_glue::PasswordForm& form);
+  virtual void RemoveLoginsCreatedBetweenImpl(const base::Time& delete_begin,
+                                              const base::Time& delete_end);
+  virtual void GetLoginsImpl(GetLoginsRequest* request,
+                             const webkit_glue::PasswordForm& form);
+  virtual void GetAutofillableLoginsImpl(GetLoginsRequest* request);
+  virtual void GetBlacklistLoginsImpl(GetLoginsRequest* request);
+  virtual bool FillAutofillableLogins(
       std::vector<webkit_glue::PasswordForm*>* forms);
-  bool FillBlacklistLogins(
+  virtual bool FillBlacklistLogins(
       std::vector<webkit_glue::PasswordForm*>* forms);
 
   scoped_refptr<WebDataService> web_data_service_;
 
   // Implements the WebDataService consumer interface.
-  void OnWebDataServiceRequestDone(WebDataService::Handle handle,
-                                   const WDTypedResult *result);
+  virtual void OnWebDataServiceRequestDone(WebDataService::Handle handle,
+                                           const WDTypedResult *result);
 
  protected:
   inline bool DeleteAndRecreateDatabaseFile() {
     return login_db_->DeleteAndRecreateDatabaseFile();
   }
 
  private:
   // Migrates logins from the WDS to the LoginDatabase.
   void MigrateIfNecessary();
 
   scoped_ptr<LoginDatabase> login_db_;
   Profile* profile_;
 
   std::set<WebDataService::Handle> handles_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordStoreDefault);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_DEFAULT_H_