Change the ChromiumPasteboard to have a notion of an alternate clipboard...

webkit/api/public/WebViewClient.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  * 
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 79 matching lines @@
 
         // May return null.  The WebEditingClient is passed additional events
         // related to text editing in the page.
         virtual WebEditingClient* editingClient() = 0;
 
         // The client should perform spell-checking on the given word
         // synchronously.  Return a length of 0 if the word is not misspelled.
         virtual void spellCheck(
             const WebString& word, int& misspelledOffset, int& misspelledLength) = 0;
 
-        // Request the text on the selection clipboard be sent back to the
-        // WebView so it can be inserted into the current focus area.  This is
-        // only meaningful on platforms that have a selection clipboard (e.g.,
-        // X-Windows).
-        virtual void pasteFromSelectionClipboard() = 0;
-
 
         // Dialogs -------------------------------------------------------------
 
         // These methods should not return until the dialog has been closed.
         virtual void runModalAlertDialog(const WebString& message) = 0;
         virtual bool runModalConfirmDialog(const WebString& message) = 0;
         virtual bool runModalPromptDialog(
             const WebString& message, const WebString& defaultValue,
             WebString* actualValue) = 0;
         virtual bool runModalBeforeUnloadDialog(const WebString& message) = 0;
@@ skipping 54 matching lines @@
         // QueryFormFieldAutofill
         // RemoveStoredAutofillEntry
         // ShowModalHTMLDialog <-- we should be able to kill this
         // GetWebDevToolsAgentDelegate
         // WasOpenedByUserGesture
     };
 
 } // namespace WebKit
 
 #endif