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

chrome/browser/automation/automation_provider_observers.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_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 752 matching lines @@
 // before looking up/returning search engine info.
 class AutomationProviderSearchEngineObserver
     : public TemplateURLModelObserver {
  public:
   AutomationProviderSearchEngineObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message)
     : provider_(provider),
       reply_message_(reply_message) {}
 
-  void OnTemplateURLModelChanged();
+  virtual void OnTemplateURLModelChanged();
 
  private:
   AutomationProvider* provider_;
   IPC::Message* reply_message_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProviderSearchEngineObserver);
 };
 
 // Allows the automation provider to wait for history queries to finish.
 class AutomationProviderHistoryObserver {
@@ skipping 15 matching lines @@
 
 // Allows the automation provider to wait for import queries to finish.
 class AutomationProviderImportSettingsObserver
     : public ImporterHost::Observer {
  public:
   AutomationProviderImportSettingsObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message)
     : provider_(provider),
       reply_message_(reply_message) {}
-  void ImportStarted() {}
-  void ImportItemStarted(importer::ImportItem item) {}
-  void ImportItemEnded(importer::ImportItem item) {}
-  void ImportEnded();
+  virtual void ImportStarted() {}
+  virtual void ImportItemStarted(importer::ImportItem item) {}
+  virtual void ImportItemEnded(importer::ImportItem item) {}
+  virtual void ImportEnded();
  private:
   AutomationProvider* provider_;
   IPC::Message* reply_message_;
 };
 
 // Allows automation provider to wait for getting passwords to finish.
 class AutomationProviderGetPasswordsObserver
     : public PasswordStoreConsumer {
  public:
   AutomationProviderGetPasswordsObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message)
     : provider_(provider),
       reply_message_(reply_message) {}
 
-  void OnPasswordStoreRequestDone(
+  virtual void OnPasswordStoreRequestDone(
       int handle, const std::vector<webkit_glue::PasswordForm*>& result);
 
  private:
   AutomationProvider* provider_;
   IPC::Message* reply_message_;
 };
 
 // Allows the automation provider to wait for clearing browser data to finish.
 class AutomationProviderBrowsingDataObserver
     : public BrowsingDataRemover::Observer {
  public:
   AutomationProviderBrowsingDataObserver(
       AutomationProvider* provider,
       IPC::Message* reply_message)
     : provider_(provider),
       reply_message_(reply_message) {}
-  void OnBrowsingDataRemoverDone();
+  virtual void OnBrowsingDataRemoverDone();
 
  private:
   AutomationProvider* provider_;
   IPC::Message* reply_message_;
 };
 
 // Allows automation provider to wait until page load after selecting an item
 // in the omnibox popup.
 class OmniboxAcceptNotificationObserver : public NotificationObserver {
  public:
@@ skipping 132 matching lines @@
  private:
   AutomationJSONReply reply_;
   BalloonCollection* collection_;
   int count_;
 
   DISALLOW_COPY_AND_ASSIGN(OnNotificationBalloonCountObserver);
 };
 
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_