Translate viewport related meta tags into @viewport descriptors as suggested by the CSS Device Adap…

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 893 matching lines @@
     else {
         ec = SyntaxError;
         return;
     }
 
     pagination.gap = gap;
     pagination.pageLength = pageLength;
     page->setPagination(pagination);
 }
 
-String Internals::configurationForViewport(Document* document, float, int deviceWidth, int deviceHeight, int availableWidth, int availableHeight, ExceptionCode& ec)
+String Internals::configurationForViewport(Document* document, float, int, int, int availableWidth, int availableHeight, ExceptionCode& ec)
 {
     if (!document || !document->page()) {
         ec = InvalidAccessError;
         return String();
     }
     Page* page = document->page();
 
     // Update initial viewport size.
     IntSize initialViewportSize(availableWidth, availableHeight);
     document->page()->mainFrame()->view()->setFrameRect(IntRect(IntPoint::zero(), initialViewportSize));
     document->styleResolver()->viewportStyleResolver()->resolve();
 
     ViewportArguments arguments = page->viewportArguments();
-    PageScaleConstraints constraints = arguments.resolve(initialViewportSize, FloatSize(deviceWidth, deviceHeight), 980 /* defaultLayoutWidthForNonMobilePages */);
+    PageScaleConstraints constraints = arguments.resolve(initialViewportSize);
 
     constraints.fitToContentsWidth(constraints.layoutSize.width(), availableWidth);
 
     StringBuilder builder;
 
     builder.appendLiteral("viewport size ");
     builder.append(String::number(constraints.layoutSize.width()));
     builder.append('x');
     builder.append(String::number(constraints.layoutSize.height()));
 
@@ skipping 1080 matching lines @@
 
     RenderObject* renderer = select->renderer();
     if (!renderer->isMenuList())
         return false;
 
     RenderMenuList* menuList = toRenderMenuList(renderer);
     return menuList->popupIsVisible();
 }
 
 }