Add stubs and glue for routing a request for an image from the clipboard.

webkit/glue/webkit_glue.h

 // Copyright (c) 2010 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 WEBKIT_GLUE_WEBKIT_GLUE_H_
 #define WEBKIT_GLUE_WEBKIT_GLUE_H_
 
 #include "base/basictypes.h"
 
 #if defined(OS_WIN)
@@ skipping 180 matching lines @@
 // Reads UNICODE text from the clipboard, if available.
 void ClipboardReadText(ui::Clipboard::Buffer buffer, string16* result);
 
 // Reads ASCII text from the clipboard, if available.
 void ClipboardReadAsciiText(ui::Clipboard::Buffer buffer, std::string* result);
 
 // Reads HTML from the clipboard, if available.
 void ClipboardReadHTML(ui::Clipboard::Buffer buffer, string16* markup,
                        GURL* url);
 
+void ClipboardReadImage(ui::Clipboard::Buffer buffer, std::string* data);
+
 // Reads the available types from the clipboard, if available.
 bool ClipboardReadAvailableTypes(ui::Clipboard::Buffer buffer,
                                  std::vector<string16>* types,
                                  bool* contains_filenames);
 
 // Reads one type of data from the clipboard, if available.
 bool ClipboardReadData(ui::Clipboard::Buffer buffer, const string16& type,
                        string16* data, string16* metadata);
 
 // Reads filenames from the clipboard, if available.
@@ skipping 91 matching lines @@
 bool GetFontTable(int fd, uint32_t table, uint8_t* output,
                   size_t* output_length);
 #endif
 
 // ---- END FUNCTIONS IMPLEMENTED BY EMBEDDER ---------------------------------
 
 
 } // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_WEBKIT_GLUE_H_