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

third_party/WebKit/Source/platform/PopupMenu.h

Index: third_party/WebKit/Source/platform/PopupMenu.h
diff --git a/third_party/WebKit/Source/platform/PopupMenu.h b/third_party/WebKit/Source/platform/PopupMenu.h
index f3e5715ff11a6f7ad0ac3319fd9685b3679b60f7..fecb7fe95005f12dc3db9929cd45be21c67ff03e 100644
--- a/third_party/WebKit/Source/platform/PopupMenu.h
+++ b/third_party/WebKit/Source/platform/PopupMenu.h
@@ -27,14 +27,11 @@
 
 namespace blink {
 
-class FloatQuad;
-class IntSize;
-
 class PopupMenu : public RefCountedWillBeGarbageCollectedFinalized<PopupMenu> {
 public:
     virtual ~PopupMenu() { }
     DEFINE_INLINE_VIRTUAL_TRACE() { }
-    virtual void show(const FloatQuad& controlPosition, const IntSize& controlSize, int index) = 0;
+    virtual void show() = 0;
     virtual void hide() = 0;
     virtual void updateFromElement() = 0;
     virtual void disconnectClient() = 0;