Standardize usage of virtual/override/final in components/

components/translate/content/browser/browser_cld_data_provider.h

 // Copyright 2014 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 COMPONENTS_TRANSLATE_CONTENT_BROWSER_BROWSER_CLD_DATA_PROVIDER_H_
 #define COMPONENTS_TRANSLATE_CONTENT_BROWSER_BROWSER_CLD_DATA_PROVIDER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 13 matching lines @@
 // The implementation must be paired with a renderer-side implementation of
 // the RendererCldDataProvider class:
 //
 //   components/translate/content/renderer/renderer_cld_data_provider.h
 //
 // ... and the glue between them is typically a pair of request/response IPC
 // messages using the CldDataProviderMsgStart IPCMessageStart enumerated
 // constant from ipc_message_start.h
 class BrowserCldDataProvider : public IPC::Listener {
  public:
-  virtual ~BrowserCldDataProvider() {}
+  ~BrowserCldDataProvider() override {}
 
   // IPC::Listener implementation:
   // If the specified message is a request for CLD data, invokes
   // OnCldDataRequest() and returns true. In all other cases, this method does
   // nothing. This method is defined as virtual in order to force the
   // implementation to define the specific IPC message(s) that it handles.
   virtual bool OnMessageReceived(const IPC::Message&) = 0;
 
   // Called when the browser process receives an appropriate message in
   // OnMessageReceived, above. The implementation should attempt to locate
@@ skipping 28 matching lines @@
 void SetCldDataFilePath(const base::FilePath& path);
 
 // Returns the path most recently set by SetCldDataFilePath. The initial value
 // prior to any such call is the empty path. If the data source doesn't support
 // a data file, returns the empty path.
 base::FilePath GetCldDataFilePath();
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CONTENT_BROWSER_BROWSER_CLD_DATA_PROVIDER_H_