This changes the base clipboard class.

webkit/glue/webkit_glue.h

 // Copyright (c) 2006-2008 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 134 matching lines @@
 // Loads and returns a cursor.
 HCURSOR LoadCursor(int cursor_id);
 #endif
 
 // Glue to access the clipboard.
 
 // Get a clipboard that can be used to construct a ScopedClipboardWriterGlue.
 Clipboard* ClipboardGetClipboard();
 
 // Tests whether the clipboard contains a certain format
-bool ClipboardIsFormatAvailable(Clipboard::FormatType format);
+bool ClipboardIsFormatAvailable(const Clipboard::FormatType& format);
 
 // Reads UNICODE text from the clipboard, if available.
 void ClipboardReadText(string16* result);
 
 // Reads ASCII text from the clipboard, if available.
 void ClipboardReadAsciiText(std::string* result);
 
 // Reads HTML from the clipboard, if available.
 void ClipboardReadHTML(string16* markup, GURL* url);
 
@@ skipping 50 matching lines @@
 // Returns the locale that this instance of webkit is running as.  This is of
 // the form language-country (e.g., en-US or pt-BR).
 std::wstring GetWebKitLocale();
 
 // ---- END FUNCTIONS IMPLEMENTED BY EMBEDDER ---------------------------------
 
 
 } // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_WEBKIT_GLUE_H_