Support multiple displays for PagePopup

Source/web/WebPagePopupImpl.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 76 matching lines @@
     virtual bool handleKeyEvent(const WebKeyboardEvent&) override;
     virtual bool handleCharEvent(const WebKeyboardEvent&) override;
     virtual bool handleGestureEvent(const WebGestureEvent&) override;
     virtual void handleMouseDown(LocalFrame& mainFrame, const WebMouseEvent&) override;
     virtual bool handleMouseWheel(LocalFrame& mainFrame, const WebMouseWheelEvent&) override;
 
     bool isMouseEventInWindow(const WebMouseEvent&);
 
     // PagePopup function
     virtual AXObject* rootAXObject() override;
+    virtual void setWindowRect(const IntRect&) override;
 
     explicit WebPagePopupImpl(WebWidgetClient*);
     bool initializePage();
     void destroyPage();
     void setRootGraphicsLayer(GraphicsLayer*);
     void setIsAcceleratedCompositingActive(bool enter);
 
     WebWidgetClient* m_widgetClient;
     WebRect m_windowRectInScreen;
     WebViewImpl* m_webView;
@@ skipping 11 matching lines @@
     friend class PagePopupChromeClient;
 };
 
 DEFINE_TYPE_CASTS(WebPagePopupImpl, WebWidget, widget, widget->isPagePopup(), widget.isPagePopup());
 // WebPagePopupImpl is the only implementation of PagePopup, so no
 // further checking required.
 DEFINE_TYPE_CASTS(WebPagePopupImpl, PagePopup, popup, true, true);
 
 } // namespace blink
 #endif // WebPagePopupImpl_h