Use a new Supplement construtor in PagePopupController

third_party/WebKit/Source/core/page/PagePopupSupplement.h

Index: third_party/WebKit/Source/core/page/PagePopupSupplement.h
diff --git a/third_party/WebKit/Source/core/page/PagePopupSupplement.h b/third_party/WebKit/Source/core/page/PagePopupSupplement.h
index 15cb0b41b66948f5c0baaf78f485054cdb5a42d7..ca37ecea8ee3d161c4c975375cff85f6a7feeee5 100644
--- a/third_party/WebKit/Source/core/page/PagePopupSupplement.h
+++ b/third_party/WebKit/Source/core/page/PagePopupSupplement.h
@@ -48,13 +48,16 @@ class CORE_EXPORT PagePopupSupplement final
   USING_GARBAGE_COLLECTED_MIXIN(PagePopupSupplement);
 
  public:
-  static PagePopupController* pagePopupController(LocalFrame&);
+  static PagePopupSupplement& from(LocalFrame&);
   static void install(LocalFrame&, PagePopup&, PagePopupClient*);
   static void uninstall(LocalFrame&);
+
+  void dispose();

[sof, 2017/01/06 12:09:11]

nit: make dispose() private?

+  PagePopupController* pagePopupController() const;
   DECLARE_TRACE();
 
  private:
-  PagePopupSupplement(PagePopup&, PagePopupClient*);
+  PagePopupSupplement(LocalFrame&, PagePopup&, PagePopupClient*);
   static const char* supplementName();
 
   Member<PagePopupController> m_controller;