Use exactly one of final, override, and virtual

minidump/minidump_exception_writer.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 68 matching lines @@
   //!
   //! \a exception_information must have no more than
   //! #EXCEPTION_MAXIMUM_PARAMETERS elements.
   //!
   //! \note Valid in #kStateMutable.
   void SetExceptionInformation(
       const std::vector<uint64_t>& exception_information);
 
  protected:
   // MinidumpWritable:
-  virtual bool Freeze() override;
-  virtual size_t SizeOfObject() override;
-  virtual std::vector<MinidumpWritable*> Children() override;
-  virtual bool WriteObject(FileWriterInterface* file_writer) override;
+  bool Freeze() override;
+  size_t SizeOfObject() override;
+  std::vector<MinidumpWritable*> Children() override;
+  bool WriteObject(FileWriterInterface* file_writer) override;
 
   // MinidumpStreamWriter:
-  virtual MinidumpStreamType StreamType() const override;
+  MinidumpStreamType StreamType() const override;
 
  private:
   MINIDUMP_EXCEPTION_STREAM exception_;
   MinidumpContextWriter* context_;  // weak
 
   DISALLOW_COPY_AND_ASSIGN(MinidumpExceptionWriter);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_MINIDUMP_MINIDUMP_EXCEPTION_WRITER_H_