Revert of mojo: Create a basic clipboard.

mojo/services/clipboard/clipboard_standalone_impl.h

-// Copyright (c) 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 MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
-#define MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
-
-#include <base/memory/scoped_ptr.h>
-#include <string>
-
-#include "mojo/services/public/interfaces/clipboard/clipboard.mojom.h"
-
-namespace mojo {
-
-// Stub clipboard implementation.
-//
-// Eventually, we'll actually want to interact with the system clipboard, but
-// that's hard today because the system clipboard is asynchronous (on X11), the
-// ui::Clipboard interface is synchronous (which is what we'd use), mojo is
-// asynchronous across processes, and the WebClipboard interface is synchronous
-// (which is at least tractable).
-class ClipboardStandaloneImpl : public InterfaceImpl<mojo::Clipboard> {
- public:
-  // mojo::Clipboard exposes three possible clipboards.
-  static const int kNumClipboards = 3;
-
-  ClipboardStandaloneImpl();
-  virtual ~ClipboardStandaloneImpl();
-
-  // InterfaceImpl<mojo::Clipboard> implementation.
-  virtual void GetSequenceNumber(Clipboard::Type clipboard_type,
-                                 const mojo::Callback<void(uint64_t)>& callback)
-      MOJO_OVERRIDE;
-  virtual void GetAvailableMimeTypes(
-      Clipboard::Type clipboard_types,
-      const mojo::Callback<void(mojo::Array<mojo::String>)>& callback)
-      MOJO_OVERRIDE;
-  virtual void ReadMimeType(
-      Clipboard::Type clipboard_type,
-      const mojo::String& mime_type,
-      const mojo::Callback<void(mojo::Array<uint8_t>)>& callback)
-      MOJO_OVERRIDE;
-  virtual void WriteClipboardData(Clipboard::Type clipboard_type,
-                                  mojo::Array<MimeTypePairPtr> data)
-      MOJO_OVERRIDE;
-
- private:
-  uint64_t sequence_number_[kNumClipboards];
-
-  // Internal struct which stores the current state of the clipboard.
-  class ClipboardData;
-
-  // The current clipboard state. This is what is read from.
-  scoped_ptr<ClipboardData> clipboard_state_[kNumClipboards];
-
-  DISALLOW_COPY_AND_ASSIGN(ClipboardStandaloneImpl);
-};
-
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_