Implement <select> Popup Menu using PagePopup

Source/web/PopupMenuTest.cpp

Index: Source/web/PopupMenuTest.cpp
diff --git a/Source/web/PopupMenuTest.cpp b/Source/web/PopupMenuTest.cpp
index ee9a0c1fdc43e6cc46ee602668f19460f2a7efd1..0b1061a9f769ea5325a8b529c760ea287bf368c7 100644
--- a/Source/web/PopupMenuTest.cpp
+++ b/Source/web/PopupMenuTest.cpp
@@ -122,6 +122,9 @@ public:
     virtual bool itemIsSelected(unsigned listIndex) const { return listIndex == m_selectIndex; }
     virtual bool valueShouldChangeOnHotTrack() const { return false; }
     virtual void setTextFromItem(unsigned listIndex) { }
+    virtual IntRect elementRectRelativeToRootView() const override { return IntRect(); }
+    virtual Element& ownerElement() const override { return *toElement(m_node); }
+    virtual RenderStyle* renderStyleForItem(Element& element) const override { return nullptr; }
 
     virtual FontSelector* fontSelector() const { return 0; }
     virtual HostWindow* hostWindow() const { return 0; }