Use exactly one of final, override, and virtual

minidump/minidump_memory_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 57 matching lines @@
   //! \note This method will only be called in #kStateFrozen.
   virtual uint64_t MemoryRangeBaseAddress() const = 0;
 
   //! \brief Returns the size of the memory region in bytes.
   //!
   //! \note This method will only be called in #kStateFrozen or a subsequent
   //!     state.
   virtual size_t MemoryRangeSize() const = 0;
 
   // MinidumpWritable:
-  virtual bool Freeze() override;
-  virtual size_t SizeOfObject() override final;
+  bool Freeze() override;
+  size_t SizeOfObject() final;
 
   //! \brief Returns the object’s desired byte-boundary alignment.
   //!
   //! Memory regions are aligned to a 16-byte boundary. The actual alignment
   //! requirements of any data within the memory region are unknown, and may be
   //! more or less strict than this depending on the platform.
   //!
   //! \return `16`.
   //!
   //! \note Valid in #kStateFrozen or any subsequent state.
-  virtual size_t Alignment() override;
+  size_t Alignment() override;
 
-  virtual bool WillWriteAtOffsetImpl(off_t offset) override;
+  bool WillWriteAtOffsetImpl(off_t offset) override;
 
   //! \brief Returns the object’s desired write phase.
   //!
   //! Memory regions are written at the end of minidump files, because it is
   //! expected that unlike most other data in a minidump file, the contents of
   //! memory regions will be accessed sparsely.
   //!
   //! \return #kPhaseLate.
   //!
   //! \note Valid in any state.
-  virtual Phase WritePhase() override final;
+  Phase WritePhase() final;
 
  private:
   MINIDUMP_MEMORY_DESCRIPTOR memory_descriptor_;
 
   // weak
   std::vector<MINIDUMP_MEMORY_DESCRIPTOR*> registered_memory_descriptors_;
 
   DISALLOW_COPY_AND_ASSIGN(MinidumpMemoryWriter);
 };
 
@@ skipping 23 matching lines @@
   //! This method exists to be called by objects that have their own
   //! MinidumpMemoryWriter children but wish for them to also appear in the
   //! minidump file’s MINIDUMP_MEMORY_LIST. MinidumpThreadWriter, which has a
   //! MinidumpMemoryWriter for thread stack memory, is an example.
   //!
   //! \note Valid in #kStateMutable.
   void AddExtraMemory(MinidumpMemoryWriter* memory_writer);
 
  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_MEMORY_LIST memory_list_base_;
   std::vector<MinidumpMemoryWriter*> memory_writers_;  // weak
   std::vector<MinidumpWritable*> children_;  // weak
 
   DISALLOW_COPY_AND_ASSIGN(MinidumpMemoryListWriter);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_WRITER_H_