Revert of Rewrite clipboard write IPC handling to be easier to understand.

content/renderer/renderer_clipboard_delegate.h

-// Copyright (c) 2012 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 CONTENT_RENDERER_RENDERER_CLIPBOARD_DELEGATE_H_
-#define CONTENT_RENDERER_RENDERER_CLIPBOARD_DELEGATE_H_
-
-#include <stdint.h>
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "content/common/clipboard_format.h"
-#include "ui/base/clipboard/clipboard_types.h"
-
-class GURL;
-class SkBitmap;
-
-namespace content {
-
-// Renderer interface to read/write from the clipboard over IPC.
-class RendererClipboardDelegate {
- public:
-  RendererClipboardDelegate();
-
-  uint64 GetSequenceNumber(ui::ClipboardType type);
-  bool IsFormatAvailable(ClipboardFormat format, ui::ClipboardType type);
-  void Clear(ui::ClipboardType type);
-  void ReadAvailableTypes(ui::ClipboardType type,
-                          std::vector<base::string16>* types,
-                          bool* contains_filenames);
-  void ReadText(ui::ClipboardType type, base::string16* result);
-  void ReadHTML(ui::ClipboardType type,
-                base::string16* markup,
-                GURL* url,
-                uint32* fragment_start,
-                uint32* fragment_end);
-  void ReadRTF(ui::ClipboardType type, std::string* result);
-  void ReadImage(ui::ClipboardType type, std::string* data);
-  void ReadCustomData(ui::ClipboardType clipboard_type,
-                      const base::string16& type,
-                      base::string16* data);
-
-  void WriteText(ui::ClipboardType type, const base::string16& text);
-  void WriteHTML(ui::ClipboardType type,
-                 const base::string16& markup,
-                 const GURL& url);
-  void WriteSmartPasteMarker(ui::ClipboardType type);
-  void WriteCustomData(ui::ClipboardType type,
-                       const std::map<base::string16, base::string16>& data);
-  void WriteBookmark(ui::ClipboardType type,
-                     const GURL& url,
-                     const base::string16& title);
-  bool WriteImage(ui::ClipboardType type, const SkBitmap& bitmap);
-  void CommitWrite(ui::ClipboardType type);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(RendererClipboardDelegate);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_RENDERER_CLIPBOARD_DELEGATE_H_