Update {virtual,override,final} to follow C++11 style in chrome, round 2.

chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_
 
 #include "chrome/browser/chromeos/extensions/file_system_provider/provider_function.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 
@@ skipping 28 matching lines @@
   ~FileSystemProviderGetAllFunction() override {}
   bool RunSync() override;
 };
 
 class FileSystemProviderGetFunction : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystemProvider.get", FILESYSTEMPROVIDER_GET)
 
  protected:
   ~FileSystemProviderGetFunction() override {}
-  virtual bool RunSync() override;
+  bool RunSync() override;
 };
 
 class FileSystemProviderNotifyFunction : public ChromeAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystemProvider.notify",
                              FILESYSTEMPROVIDER_NOTIFY)
 
  protected:
   ~FileSystemProviderNotifyFunction() override {}
   bool RunAsync() override;
@@ skipping 71 matching lines @@
       FILESYSTEMPROVIDERINTERNAL_OPERATIONREQUESTEDERROR)
 
  protected:
   ~FileSystemProviderInternalOperationRequestedErrorFunction() override {}
   bool RunWhenValid() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_SYSTEM_PROVIDER_FILE_SYSTEM_PROVIDER_API_H_