Rename mojo::TokenSerializer to mojo::Broker.

mojo/edk/system/token_serializer_win.h

-// Copyright 2015 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 MOJO_EDK_SYSTEM_TOKEN_SERIALIZER_WIN_H_
-#define MOJO_EDK_SYSTEM_TOKEN_SERIALIZER_WIN_H_
-
-#include <stdint.h>
-#include <vector>
-
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-
-namespace mojo {
-namespace edk {
-
-// An interface for serializing a Mojo handle to memory. A child process will
-// have to make sync calls to the parent process. It is safe to call from any
-// thread.
-class MOJO_SYSTEM_IMPL_EXPORT TokenSerializer {
- public:
-  virtual ~TokenSerializer() {}
-
-  // Create a PlatformChannelPair.
-  virtual void CreatePlatformChannelPair(ScopedPlatformHandle* server,
-                                         ScopedPlatformHandle* client) = 0;
-
-  // Converts the given platform handles to tokens.
-  // |tokens| should point to memory that is sizeof(uint64_t) * count;
-  virtual void HandleToToken(const PlatformHandle* platform_handles,
-                             size_t count,
-                             uint64_t* tokens) = 0;
-
-  // Converts the given tokens to platformhandles.
-  // |handles| should point to memory that is sizeof(HANDLE) * count;
-  virtual void TokenToHandle(const uint64_t* tokens,
-                             size_t count,
-                             PlatformHandle* handles) = 0;
-};
-
-}  // namespace edk
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_TOKEN_SERIALIZER_WIN_H_