Implement <select> Popup Menu using PagePopup

Source/platform/PopupMenuClient.h

Index: Source/platform/PopupMenuClient.h
diff --git a/Source/platform/PopupMenuClient.h b/Source/platform/PopupMenuClient.h
index 2e0d1c33765ee65452883b41a0b82c1055c375ae..06f0281ff4ecf4c3ec6318de6b17449b5b339715 100644
--- a/Source/platform/PopupMenuClient.h
+++ b/Source/platform/PopupMenuClient.h
@@ -29,6 +29,9 @@
 
 namespace blink {
 
+class HTMLElement;
+class RenderStyle;
+
 class PopupMenuClient {
 public:
     virtual ~PopupMenuClient() { }
@@ -51,6 +54,9 @@ public:
     virtual bool itemIsLabel(unsigned listIndex) const = 0;
     virtual bool itemIsSelected(unsigned listIndex) const = 0;
     virtual void setTextFromItem(unsigned listIndex) = 0;
+    virtual IntRect elementRectRelativeToRootView() const = 0;
+    virtual Element& ownerElement() const = 0;

[tkent, 2014/12/15 02:10:52]

Layering violation.  platform/* can't depend on core classes.
We can move this to core/html/forms/.

[keishi, 2014/12/15 08:29:42]

Done.

+    virtual RenderStyle* renderStyleForItem(HTMLElement&) const = 0;
 
     virtual void listBoxSelectItem(int /*listIndex*/, bool /*allowMultiplySelections*/, bool /*shift*/, bool /*fireOnChangeNow*/ = true) { ASSERT_NOT_REACHED(); }
     virtual bool multiple() const