Clear the clipboard closing Incognito window

ui/base/clipboard/clipboard_aurax11.cc

 // Copyright (c) 2012 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 "ui/base/clipboard/clipboard.h"
 
 #include <X11/extensions/Xfixes.h>
 #include <X11/Xatom.h>
 #include <list>
 #include <set>
@@ skipping 867 matching lines @@
 }
 
 Clipboard::~Clipboard() {
   DCHECK(CalledOnValidThread());
 
   // TODO(erg): We need to do whatever the equivalent of
   // gtk_clipboard_store(clipboard_) is here. When we shut down, we want the
   // current selection to live on.
 }
 
-void Clipboard::WriteObjects(Buffer buffer, const ObjectMap& objects) {
+void Clipboard::WriteObjectsImpl(Buffer buffer, const ObjectMap& objects) {
   DCHECK(CalledOnValidThread());
   DCHECK(IsValidBuffer(buffer));
 
   aurax11_details_->CreateNewClipboardData();
   for (ObjectMap::const_iterator iter = objects.begin();
        iter != objects.end(); ++iter) {
     DispatchObject(static_cast<ObjectType>(iter->first), iter->second);
   }
   aurax11_details_->TakeOwnershipOfSelection(buffer);
 
@@ skipping 307 matching lines @@
   return type;
 }
 
 // static
 const Clipboard::FormatType& Clipboard::GetPepperCustomDataFormatType() {
   CR_DEFINE_STATIC_LOCAL(FormatType, type, (kMimeTypePepperCustomData));
   return type;
 }
 
 }  // namespace ui