Use IntRect instead of FloatRect for window positions and sizes

Source/core/page/Chrome.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012, Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 19 matching lines @@
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ChromeClient;
 class ColorChooser;
 class ColorChooserClient;
 class DateTimeChooser;
 class DateTimeChooserClient;
 class FileChooser;
-class FloatRect;
 class LocalFrame;
 class HTMLInputElement;
 class HitTestResult;
 class IntRect;
 class Node;
 class Page;
 class PopupMenu;
 class PopupMenuClient;
 class PopupOpeningObserver;
 
@@ skipping 15 matching lines @@
     virtual blink::WebScreenInfo screenInfo() const override;
 
     virtual void scheduleAnimation() override;
 
     void scheduleAnimationForFrame(LocalFrame* localRoot);
 
     void contentsSizeChanged(LocalFrame*, const IntSize&) const;
 
     void setCursor(const Cursor&);
 
-    void setWindowRect(const FloatRect&) const;
-    FloatRect windowRect() const;
+    void setWindowRect(const IntRect&) const;
+    IntRect windowRect() const;
 
-    FloatRect pageRect() const;
+    IntRect pageRect() const;
 
     void focus() const;
 
     bool canTakeFocus(WebFocusType) const;
     void takeFocus(WebFocusType) const;
 
     void focusedNodeChanged(Node*, Node*) const;
 
     void show(NavigationPolicy = NavigationPolicyIgnore) const;
 
@@ skipping 50 matching lines @@
     void notifyPopupOpeningObservers() const;
 
     Page* m_page;
     ChromeClient* m_client;
     Vector<PopupOpeningObserver*> m_popupOpeningObservers;
 };
 
 } // namespace blink
 
 #endif // Chrome_h