Revert of Standardize usage of virtual/override/final in ipc/

ipc/mojo/ipc_channel_mojo.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 IPC_IPC_CHANNEL_MOJO_H_
 #define IPC_IPC_CHANNEL_MOJO_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 69 matching lines @@
   // Create a factory object for ChannelMojo.
   // The factory is used to create Mojo-based ChannelProxy family.
   // |host| must not be null.
   static scoped_ptr<ChannelFactory> CreateServerFactory(
       Delegate* delegate,
       const ChannelHandle& channel_handle);
 
   static scoped_ptr<ChannelFactory> CreateClientFactory(
       const ChannelHandle& channel_handle);
 
-  ~ChannelMojo() override;
+  virtual ~ChannelMojo();
 
   // ChannelMojoHost tells the client handle using this API.
   void OnClientLaunched(base::ProcessHandle handle);
 
   // Channel implementation
-  bool Connect() override;
-  void Close() override;
-  bool Send(Message* message) override;
-  base::ProcessId GetPeerPID() const override;
-  base::ProcessId GetSelfPID() const override;
+  virtual bool Connect() override;
+  virtual void Close() override;
+  virtual bool Send(Message* message) override;
+  virtual base::ProcessId GetPeerPID() const override;
+  virtual base::ProcessId GetSelfPID() const override;
 
 #if defined(OS_POSIX) && !defined(OS_NACL)
-  int GetClientFileDescriptor() const override;
-  base::ScopedFD TakeClientFileDescriptor() override;
+  virtual int GetClientFileDescriptor() const override;
+  virtual base::ScopedFD TakeClientFileDescriptor() override;
 
   // These access protected API of IPC::Message, which has ChannelMojo
   // as a friend class.
   static MojoResult WriteToFileDescriptorSet(
       const std::vector<MojoHandle>& handle_buffer,
       Message* message);
   static MojoResult ReadFromFileDescriptorSet(Message* message,
                                               std::vector<MojoHandle>* handles);
 
 #endif  // defined(OS_POSIX) && !defined(OS_NACL)
 
   // MojoBootstrapDelegate implementation
-  void OnPipeAvailable(mojo::embedder::ScopedPlatformHandle handle) override;
-  void OnBootstrapError() override;
+  virtual void OnPipeAvailable(
+      mojo::embedder::ScopedPlatformHandle handle) override;
+  virtual void OnBootstrapError() override;
 
   // Called from MessagePipeReader implementations
   void OnMessageReceived(Message& message);
   void OnConnected(mojo::ScopedMessagePipeHandle pipe);
   void OnPipeClosed(internal::MessagePipeReader* reader);
   void OnPipeError(internal::MessagePipeReader* reader);
   void set_peer_pid(base::ProcessId pid) { peer_pid_ = pid; }
 
  protected:
   ChannelMojo(Delegate* delegate,
@@ skipping 27 matching lines @@
   ScopedVector<Message> pending_messages_;
 
   base::WeakPtrFactory<ChannelMojo> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelMojo);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_MOJO_H_