Move clipboard-related webkit_glue embedder functions into a ClipboardClient interface.

content/renderer/renderer_clipboard_client.h

+// Copyright (c) 2011 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_CLIENT_H_
+#define CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_
+
+#include "webkit/glue/clipboard_client.h"
+
+// An implementation of ClipboardClient that gets and sends data over IPC.
+class RendererClipboardClient : public webkit_glue::ClipboardClient {
+ public:
+  RendererClipboardClient();
+  virtual ~RendererClipboardClient();
+
+  virtual ui::Clipboard* GetClipboard();
+  virtual uint64 GetSequenceNumber(ui::Clipboard::Buffer buffer);
+  virtual bool IsFormatAvailable(const ui::Clipboard::FormatType& format,
+                                 ui::Clipboard::Buffer buffer);
+  virtual void ReadAvailableTypes(ui::Clipboard::Buffer buffer,
+                                  std::vector<string16>* types,
+                                  bool* contains_filenames);
+  virtual void ReadText(ui::Clipboard::Buffer buffer, string16* result);
+  virtual void ReadAsciiText(ui::Clipboard::Buffer buffer,
+                             std::string* result);
+  virtual void ReadHTML(ui::Clipboard::Buffer buffer, string16* markup,
+                        GURL* url, uint32* fragment_start,
+                        uint32* fragment_end);
+  virtual void ReadImage(ui::Clipboard::Buffer buffer, std::string* data);
+  virtual WriteContext* CreateWriteContext();
+};
+
+#endif  // CONTENT_RENDERER_RENDERER_CLIPBOARD_CLIENT_H_