Move PlatformScreen, PlatformScreenChromium, and Widget to Source/platform

Source/core/frame/Screen.cpp

 /*
  * Copyright (C) 2007 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 17 matching lines @@
 
 
 #include "config.h"
 #include "core/frame/Screen.h"
 
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/frame/Frame.h"
 #include "core/frame/FrameView.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
-#include "core/platform/PlatformScreen.h"
+#include "platform/PlatformScreen.h"
 #include "platform/geometry/FloatRect.h"
 
 namespace WebCore {
 
 Screen::Screen(Frame* frame)
     : DOMWindowProperty(frame)
 {
     ScriptWrappable::init(this);
 }
 
@@ skipping 65 matching lines @@
 {
     if (!m_frame)
         return 0;
     Page* page = m_frame->page();
     if (page && page->settings().reportScreenSizeInPhysicalPixelsQuirk())
         return lroundf(screenAvailableRect(m_frame->view()).width() * page->deviceScaleFactor());
     return static_cast<unsigned>(screenAvailableRect(m_frame->view()).width());
 }
 
 } // namespace WebCore