Standardize usage of virtual/override/final in components/

components/translate/content/renderer/renderer_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_RENDERER_RENDERER_CLD_DATA_PROVIDER_H_
 #define COMPONENTS_TRANSLATE_CONTENT_RENDERER_RENDERER_CLD_DATA_PROVIDER_H_
 
 #include "base/callback.h"
 #include "ipc/ipc_listener.h"
 
@@ skipping 11 matching lines @@
 // The implementation must be paired with a browser-side implementation of
 // the BrowserCldDataProvider class:
 //
 //   components/translate/content/browser/browser_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 RendererCldDataProvider : public IPC::Listener {
  public:
-  virtual ~RendererCldDataProvider() {}
+  ~RendererCldDataProvider() override {}
 
   // (Inherited from IPC::Listener)
   // If the specified message is a response for CLD data, attempts to
   // initialize CLD2 and returns true in all cases. If initialization is
   // successful and a callback has been configured via
   // SetCldAvailableCallback(...), that callback is invoked from the message
   // loop thread.
   // 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;
@@ skipping 20 matching lines @@
 };
 
 // Static factory function defined by the implementation that produces a new
 // provider for the specified render view host.
 RendererCldDataProvider* CreateRendererCldDataProviderFor(
     content::RenderViewObserver*);
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CONTENT_RENDERER_RENDERER_CLD_DATAP_PROVIDER_H_