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

webkit/tools/test_shell/simple_clipboard_impl.cc

 // Copyright (c) 2009 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.
 
 #include "webkit/glue/webkit_glue.h"
 
 #include <string>
 
 #include "base/lazy_instance.h"
 #include "base/string16.h"
@@ skipping 34 matching lines @@
 }
 
 void ClipboardReadHTML(ui::Clipboard::Buffer buffer, string16* markup,
                        GURL* url) {
   std::string url_str;
   ClipboardGetClipboard()->ReadHTML(buffer, markup, url ? &url_str : NULL);
   if (url)
     *url = GURL(url_str);
 }
 
+void ClipboardReadImage(ui::Clipboard::Buffer buffer, std::string* data) {
+  ClipboardGetClipboard()->ReadImage(buffer, data);
+}
+
 // TODO(dcheng): Implement.
 bool ClipboardReadAvailableTypes(ui::Clipboard::Buffer buffer,
                                  std::vector<string16>* types,
                                  bool* contains_filenames) {
   return false;
 }
 
 bool ClipboardReadData(ui::Clipboard::Buffer buffer, const string16& type,
                        string16* data, string16* metadata) {
   return false;
 }
 
 bool ClipboardReadFilenames(ui::Clipboard::Buffer buffer,
                             std::vector<string16>* filenames) {
   return false;
 }
 
 }  // namespace webkit_glue