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

third_party/WebKit/Source/core/loader/EmptyClients.cpp

Index: third_party/WebKit/Source/core/loader/EmptyClients.cpp
diff --git a/third_party/WebKit/Source/core/loader/EmptyClients.cpp b/third_party/WebKit/Source/core/loader/EmptyClients.cpp
index 60b4716197fed6ad7d82208a039447eff2ea7547..be6d122b70be5565060b6cf831325a6f2b3cd1cd 100644
--- a/third_party/WebKit/Source/core/loader/EmptyClients.cpp
+++ b/third_party/WebKit/Source/core/loader/EmptyClients.cpp
@@ -63,7 +63,7 @@ void fillWithEmptyClients(Page::PageClients& pageClients)
 
 class EmptyPopupMenu : public PopupMenu {
 public:
-    void show(const FloatQuad&, const IntSize&, int) override { }
+    void show() override { }
     void hide() override { }
     void updateFromElement() override { }
     void disconnectClient() override { }