[mojo-edk] Delete data_pipe.h/cc

mojo/edk/system/data_pipe.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_DATA_PIPE_H_
-#define MOJO_EDK_SYSTEM_DATA_PIPE_H_
-
-#include <stddef.h>
-
-#include "base/compiler_specific.h"
-#include "mojo/edk/embedder/platform_handle_vector.h"
-#include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/edk/system/system_impl_export.h"
-#include "mojo/public/c/system/data_pipe.h"
-#include "mojo/public/c/system/types.h"
-
-namespace mojo {
-namespace edk {
-class RawChannel;
-
-// Shared code between DataPipeConsumerDispatcher and
-// DataPipeProducerDispatcher.
-class MOJO_SYSTEM_IMPL_EXPORT DataPipe {
- public:
-  // The default options for |MojoCreateDataPipe()|. (Real uses should obtain
-  // this via |ValidateCreateOptions()| with a null |in_options|; this is
-  // exposed directly for testing convenience.)
-  static MojoCreateDataPipeOptions GetDefaultCreateOptions();
-
-  // Validates and/or sets default options for |MojoCreateDataPipeOptions|. If
-  // non-null, |in_options| must point to a struct of at least
-  // |in_options->struct_size| bytes. |out_options| must point to a (current)
-  // |MojoCreateDataPipeOptions| and will be entirely overwritten on success (it
-  // may be partly overwritten on failure).
-  static MojoResult ValidateCreateOptions(
-      const MojoCreateDataPipeOptions* in_options,
-      MojoCreateDataPipeOptions* out_options);
-
-  // Helper methods used by DataPipeConsumerDispatcher and
-  // DataPipeProducerDispatcher for serialization and deserialization.
-  static void StartSerialize(bool have_channel_handle,
-                             bool have_shared_memory,
-                             size_t* max_size,
-                             size_t* max_platform_handles);
-  static void EndSerialize(const MojoCreateDataPipeOptions& options,
-                           ScopedPlatformHandle channel_handle,
-                           ScopedPlatformHandle shared_memory_handle,
-                           size_t shared_memory_size,
-                           void* destination,
-                           size_t* actual_size,
-                           PlatformHandleVector* platform_handles);
-  static ScopedPlatformHandle Deserialize(
-      const void* source,
-      size_t size,
-      PlatformHandleVector* platform_handles,
-      MojoCreateDataPipeOptions* options,
-      ScopedPlatformHandle* shared_memory_handle,
-      size_t* shared_memory_size);
-};
-
-}  // namespace edk
-}  // namespace mojo
-
-#endif  // MOJO_EDK_SYSTEM_DATA_PIPE_H_