Remove dead code from unit tests

Source/web/PopupMenuTest.cpp

 /*
  * Copyright (C) 2010 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 95 matching lines @@
     virtual bool itemIsEnabled(unsigned listIndex) const { return m_disabledIndexSet.find(listIndex) == m_disabledIndexSet.end(); }
     virtual PopupMenuStyle itemStyle(unsigned listIndex) const
     {
         FontDescription fontDescription;
         fontDescription.setComputedSize(12.0);
         Font font(fontDescription);
         font.update(nullptr);
         return PopupMenuStyle(Color::black, Color::white, font, true, false, Length(), TextDirection(), false /* has text direction override */);
     }
     virtual PopupMenuStyle menuStyle() const { return itemStyle(0); }
-    virtual int clientInsetLeft() const { return 0; }
-    virtual int clientInsetRight() const { return 0; }
     virtual LayoutUnit clientPaddingLeft() const { return 0; }
     virtual LayoutUnit clientPaddingRight() const { return 0; }
     virtual int listSize() const { return m_listSize; }
     virtual int selectedIndex() const { return m_selectIndex; }
     virtual void popupDidHide() { }
     virtual bool itemIsSeparator(unsigned listIndex) const { return false; }
     virtual bool itemIsLabel(unsigned listIndex) const { return false; }
     virtual bool itemIsSelected(unsigned listIndex) const { return listIndex == m_selectIndex; }
-    virtual bool valueShouldChangeOnHotTrack() const { return false; }
     virtual void setTextFromItem(unsigned listIndex) { }
     virtual IntRect elementRectRelativeToViewport() const override { return IntRect(); }
     virtual Element& ownerElement() const override { return *toElement(m_node); }
     virtual LayoutStyle* layoutStyleForItem(Element& element) const override { return nullptr; }
 
     virtual FontSelector* fontSelector() const { return 0; }
     virtual HostWindow* hostWindow() const { return 0; }
 
     virtual PassRefPtrWillBeRawPtr<Scrollbar> createScrollbar(ScrollableArea*, ScrollbarOrientation, ScrollbarControlSize) { return nullptr; }
 
@@ skipping 498 matching lines @@
     ASSERT(menuList);
     menuList->showPopup();
     ASSERT(popupOpen());
     PopupListBox* listBox = webView()->selectPopup()->listBox();
     int ltrWidth = listBox->getRowBaseWidth(0);
     int rtlWidth = listBox->getRowBaseWidth(1);
     EXPECT_LT(rtlWidth, ltrWidth);
 }
 
 } // namespace