Remove unused arguments of blink::PopupMenu::show().

third_party/WebKit/Source/web/PopupMenuImpl.cpp

 // Copyright (c) 2014 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 "web/PopupMenuImpl.h"
 
 #include "core/HTMLNames.h"
 #include "core/css/CSSFontSelector.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExecutionContextTask.h"
@@ skipping 454 matching lines @@
     if (m_ownerElement)
         m_ownerElement->popupDidCancel();
 }
 
 void PopupMenuImpl::dispose()
 {
     if (m_popup)
         m_chromeClient->closePagePopup(m_popup);
 }
 
-void PopupMenuImpl::show(const FloatQuad& /*controlPosition*/, const IntSize& /*controlSize*/, int /*index*/)
+void PopupMenuImpl::show()
 {
     ASSERT(!m_popup);
     m_popup = m_chromeClient->openPagePopup(this);
 }
 
 void PopupMenuImpl::hide()
 {
     if (m_popup)
         m_chromeClient->closePagePopup(m_popup);
 }
@@ skipping 50 matching lines @@
 
 void PopupMenuImpl::disconnectClient()
 {
     m_ownerElement = nullptr;
     // Cannot be done during finalization, so instead done when the
     // layout object is destroyed and disconnected.
     dispose();
 }
 
 } // namespace blink